{
  "apiVersion": 1,
  "kind": "work-order",
  "purpose": "Taking the firearm apart for a job such as refinishing, and putting it back together to specification.",
  "firearm": {
    "slug": "smith-wesson-model-10",
    "name": "Smith & Wesson Model 10",
    "manufacturer": {
      "id": "smith-wesson",
      "name": "Smith & Wesson"
    },
    "category": "revolver",
    "action": "double-action-revolver",
    "calibers": [
      ".38 Special"
    ],
    "alsoKnownAs": [
      "S&W .38 Military & Police",
      "Victory Model (wartime variant)",
      "K-frame"
    ],
    "coversAlso": [
      "Smith & Wesson Model 15",
      "Model 64",
      "Model 67",
      "Most S&W K-frame and J-frame double-action revolvers"
    ],
    "page": "firearms/smith-wesson-model-10.html",
    "bundle": "api/v1/firearms/smith-wesson-model-10.json",
    "lastUpdated": "2026-10-29"
  },
  "notices": [
    "Smith & Wesson publishes no owner disassembly for this firearm. The procedures below are not the manufacturer's, and doing them may void a warranty or service agreement.",
    "This work order is written for the Smith & Wesson Model 10. It is reported to cover Smith & Wesson Model 15; Model 64; Model 67; Most S&W K-frame and J-frame double-action revolvers — if the firearm on the bench is one of those, check the torque notes: values do not always carry over.",
    "No torque values are recorded for this firearm. Get them from the manufacturer or a gunsmith; do not estimate."
  ],
  "disclaimer": {
    "headline": "Read this before you use anything here.",
    "points": [
      "This is a guide, not an authority. Entries are compiled from manufacturer manuals, technical manuals, published references, and community knowledge. Some of it comes from sources that are not authoritative, and some of it may simply be wrong.",
      "Always consult the manufacturer's manual for your specific firearm and serial-number range. Manufacturers change designs mid-production without renaming the model. The manual that shipped with your firearm outranks anything on this site.",
      "Consult a licensed gunsmith for anything beyond routine field stripping and cleaning, for any firearm you are unsure about, and for any procedure marked as gunsmith-recommended here.",
      "Treat every firearm as loaded. Verify it is unloaded, with the magazine removed and the chamber physically and visually checked, before any procedure in this database. Point it in a safe direction the entire time.",
      "Disassembly can damage a firearm or injure you. Springs are under tension, parts can launch, and reassembling a firearm incorrectly can make it unsafe to fire in a way that is not obvious from the outside. If a reassembled firearm does not pass a function check, stop and see a gunsmith.",
      "Torque values are shown in two groups. Values from the manufacturer or the issuing military are shown as such, with the document they came from. Values reported by anyone else — parts makers, gunsmithing publishers, articles, forums — are shown separately with who said them, how reliable that source is, and their exact words. Those are not specifications. Confirm any torque value with the manufacturer or a licensed gunsmith before relying on it.",
      "Nothing here is legal advice. Firearms law varies by country, state, and city, and some modifications or configurations are regulated or prohibited. You are responsible for knowing and following the law where you are.",
      "No warranty of any kind. Contributors and maintainers accept no liability for damage, injury, or loss arising from use of this material."
    ],
    "page": "disclaimer.html",
    "legal": {
      "summary": "Legal notice: this material is third-party information compiled from sources of varying reliability and is provided for general informational and educational purposes only. It is not gunsmithing, technical, safety or legal advice, it is not verified or endorsed by any manufacturer, and it must not be taken as fact. Any work on a firearm beyond the routine field stripping described in its own owner's manual should be performed only by a licensed and insured gunsmith. You use this material entirely at your own risk. Fundamental Build LLC and the project's contributors make no warranty of any kind and accept no liability for death, injury, damage or loss arising from its use. Full terms: LEGAL.md.",
      "page": "legal.html",
      "notice": "https://github.com/Fundamental-build-LLC/Pew-Takedown/blob/main/LEGAL.md"
    }
  },
  "sourcing": {
    "confidence": "medium",
    "verification": "manufacturer-manual-verified"
  },
  "manufacturerDisassembly": {
    "status": "none",
    "limit": null,
    "statement": "Smith & Wesson's revolver manual publishes no takedown. The maintenance it prescribes is cleaning with the cylinder open; it directs anything further to Smith & Wesson or a qualified gunsmith.",
    "source": {
      "title": "Smith & Wesson Revolvers (Modern Style) Safety & Instruction Manual",
      "publisher": "Smith & Wesson",
      "reliability": "primary",
      "url": "https://www.mcarbo.com/.Owners%20Manuals/S-W_Revolver_Owners-Manual.pdf",
      "page": null,
      "pdfPage": null,
      "pageUrl": null,
      "quote": null
    }
  },
  "recalls": [],
  "shopTier": {
    "tier": 2,
    "group": "revolver",
    "rating": "Pew-Takedown editorial rating (1 easy – 3 hardest), not the manufacturer's",
    "reason": "K-frame sideplate lockwork of about 59 pieces (Army TM count): one tensioned rebound slide spring that flies, a loose hammer block that must be indexed while the sideplate goes on, and a hand spring that must stay engaged. Well documented and tool-light, so moderate rather than hardest.",
    "confidence": "medium",
    "partCount": {
      "value": 53,
      "kind": "line-items",
      "covers": "complete revolver per the Smith & Wesson section of the Army RPSTL (Figures C1-C8, Groups 00-0206): every piece-part item number, with the assembly headers (C1-2, C1-3, C3-4, C3-10, C3-11, C3-12, C3-1",
      "basis": "military-manual",
      "source": {
        "title": "TM 9-1005-206-14&P-1, Revolver, Caliber .38 Special: Smith and Wesson Military and Police M10 (and Ruger) - Appendix C, Section II Repair Parts List (archive.org OCR text of the scanned PDF)",
        "publisher": "Headquarters, Department of the Army (scan hosted by archive.org)",
        "reliability": "primary",
        "url": "https://archive.org/download/revolver-cal-.-38-spl-smith-and-wesson-mil.-and-police-m-10/Revolver%2C%20Cal%20.38%20Spl%2C%20Smith%20and%20Wesson%20Mil.%20and%20Police%20M10_djvu.txt",
        "page": "PDF pp. 98-108 (C1-1 to C8-1)",
        "pdfPage": null,
        "pageUrl": null,
        "quote": "Figure C4. Cylinder and Yoke Assembly (Smith and Wesson)"
      }
    },
    "painPoints": [
      {
        "issue": "The rebound slide spring is under heavy tension; it launches when the slide is pried off and must be compressed back over its stud on reassembly.",
        "during": "both",
        "source": {
          "title": "Installing Smith & Wesson Spring Kit",
          "publisher": "Shooting Times",
          "reliability": "secondary",
          "url": "https://www.shootingtimes.com/editorial/gunsmithing_st_installswspringkit_200812/100181",
          "page": null,
          "pdfPage": null,
          "pageUrl": null,
          "quote": "The best way to remove the rebound slide is to just pry it up a bit, but be aware that the spring is under considerable tension and could do real harm if it hit you in the wrong place."
        }
      },
      {
        "issue": "The hammer block lies loose under the sideplate and must be seated up on the rebound slide pin while the sideplate is fitted.",
        "during": "reassembly",
        "source": {
          "title": "Installing Smith & Wesson Spring Kit",
          "publisher": "Shooting Times",
          "reliability": "secondary",
          "url": "https://www.shootingtimes.com/editorial/gunsmithing_st_installswspringkit_200812/100181",
          "page": null,
          "pdfPage": null,
          "pageUrl": null,
          "quote": "The hammer-block safety will be lying loose under it, so take care to note how it goes in. There is a small pin on the rebound slide where it rides."
        }
      },
      {
        "issue": "The hand must keep its torsion-spring tension when the trigger goes back in, or the cylinder will not index.",
        "during": "reassembly",
        "source": {
          "title": "Change of a 686 rebound spring",
          "publisher": "Smith & Wesson Forum",
          "reliability": "anecdotal",
          "url": "https://smith-wessonforum.com/threads/change-of-a-686-rebound-spring.330582",
          "page": null,
          "pdfPage": null,
          "pageUrl": null,
          "quote": "make certain you still have spring tension on the hand (some people accidentally pull the hand back too far when removing or installing the trigger, causing the internal stud on the hand to slip past the spring inside the trigger)."
        }
      },
      {
        "issue": "The sideplate must be tapped off the frame, never pried, and the sideplate screws go back in the holes they came from.",
        "during": "disassembly",
        "source": {
          "title": "Installing Smith & Wesson Spring Kit",
          "publisher": "Shooting Times",
          "reliability": "secondary",
          "url": "https://www.shootingtimes.com/editorial/gunsmithing_st_installswspringkit_200812/100181",
          "page": null,
          "pdfPage": null,
          "pageUrl": null,
          "quote": "It might seem logical to pry it off; however, that is absolutely the wrong way to do it and can damage the gun. Instead, tap gently on the frame just below the sideplate with a brass or nylon hammer, and it will pop right up and can be lifted off."
        }
      },
      {
        "issue": "Smith & Wesson tells owners not to go beyond the field strip; lockwork work is for a qualified gunsmith.",
        "during": "both",
        "source": {
          "title": "Safety & Instruction Manual, Revolvers - Modern Style - J, K, L and N Frame (p/n 416560000, REV S&W_REVOLVER_112119), linked from smith-wesson.com revolver product pages",
          "publisher": "Smith & Wesson",
          "reliability": "primary",
          "url": "https://smith-wesson.canto.com/direct/document/tquc8lb05d2hl96gi51fuh2m46/2Ppiam-m3ty8iZtHw_DoQfTzAsI/original?content-type=application%2Fpdf",
          "page": null,
          "pdfPage": null,
          "pageUrl": null,
          "quote": "NEVER DISASSEMBLE YOUR FIREARM beyond the field stripping procedure outlined in this manual. Improper disassembly or reassembly of your firearm may be dangerous and can lead to serious injury or death."
        }
      }
    ],
    "minutes": {
      "strip": 35,
      "rebuild": 55,
      "basis": "estimated",
      "note": "Estimated for an experienced tech with the right tools: grips, sideplate, lockwork, crane/cylinder, thumbpiece/bolt, locking bolt and sights. Rebuild is longer for the rebound slide spring, hand spring engagement, hammer block and sideplate seating plus a timing/carry-up and end-shake check. The TM work-time figures (hours) are given as a cross-check, not as the job time.",
      "source": null
    },
    "stripScope": [
      {
        "assembly": "Grips and sideplate",
        "removes": [
          "stock screw and stocks",
          "sideplate screws (kept in their holes; the front one retains the crane)",
          "sideplate (tapped free, never pried)",
          "hammer block"
        ],
        "tools": [
          "fitted hollow-ground screwdrivers",
          "nylon/brass or rawhide mallet"
        ]
      },
      {
        "assembly": "Lockwork",
        "removes": [
          "mainspring and strain screw",
          "rebound slide, rebound slide spring and pin",
          "hammer (with sear, stirrup, hammer nose)",
          "trigger with hand and hand torsion spring, trigger lever",
          "cylinder stop and cylinder stop spring",
          "trigger stop rod (if fitted)",
          "internal-lock flag, spring and cam (IL guns)"
        ],
        "tools": [
          "rebound slide spring tool or small Phillips screwdriver"
        ]
      },
      {
        "assembly": "Cylinder and crane",
        "removes": [
          "cylinder and yoke/crane out of the frame",
          "extractor rod (left-hand thread) and center pin with springs if the cylinder is coated"
        ],
        "tools": [
          "padded vise or extractor-rod collar tool"
        ]
      },
      {
        "assembly": "Frame",
        "removes": [
          "thumbpiece nut and thumbpiece",
          "bolt, bolt plunger and spring",
          "locking bolt, spring and pin (under the barrel)",
          "rear sight (adjustable models: leaf, elevation/windage parts, plunger and spring)",
          "front sight (pinned or plunger-retained on some models)"
        ],
        "tools": [
          "punch set",
          "pin punch for sight and locking-bolt pins"
        ]
      }
    ],
    "hardware": {
      "pins": 9,
      "springs": 9,
      "detents": 1,
      "basis": "counted by name in the same list (C1-C8): pins = PIN, BARREL; PIN, LOCKING BOLT; PIN, CENTER/PIN, SHOULDER, HEADLESS (C4-6); PIN, EXTRACTOR; PIN, STRAIGHT, HEADLESS (C5-1, C7-3, C8-11); PIN, REBOUND S"
    },
    "specialTools": [
      {
        "tool": "Rebound slide spring tool (Brownells S&W tool) or a Phillips screwdriver just larger than the spring ID",
        "usedFor": "Compressing and re-seating the rebound slide spring over its stud"
      },
      {
        "tool": "Fitted hollow-ground (gunsmith) screwdrivers",
        "usedFor": "Sideplate, strain, thumbpiece and stock screws without burring"
      },
      {
        "tool": "Nylon/brass or rawhide mallet",
        "usedFor": "Tapping the frame to lift a tight sideplate"
      },
      {
        "tool": "Large clear plastic bag",
        "usedFor": "Containing the rebound spring and small springs on removal"
      }
    ],
    "fitOnRebuild": [
      {
        "check": "Timing / carry-up: each chamber must lock before the hammer falls, single and double action",
        "why": "The hand torsion spring must engage the hand; a hand pulled back too far loses spring tension and the cylinder will not index.",
        "source": {
          "title": "Change of a 686 rebound spring",
          "publisher": "Smith & Wesson Forum",
          "reliability": "anecdotal",
          "url": "https://smith-wessonforum.com/threads/change-of-a-686-rebound-spring.330582",
          "page": null,
          "pdfPage": null,
          "pageUrl": null,
          "quote": "make certain you still have spring tension on the hand (some people accidentally pull the hand back too far when removing or installing the trigger, causing the internal stud on the hand to slip past the spring inside the trigger)."
        }
      },
      {
        "check": "Cylinder gap (barrel-cylinder) and end shake; crane alignment",
        "why": "The Army issues gauges for exactly these checks when the cylinder/yoke group is replaced.",
        "source": null
      },
      {
        "check": "Firing-pin (hammer-nose) protrusion and hammer-block function",
        "why": "Same TM lists a firing-pin protrusion gauge; the hammer block must ride up on the rebound slide pin before the sideplate goes on.",
        "source": {
          "title": "Installing Smith & Wesson Spring Kit",
          "publisher": "Shooting Times",
          "reliability": "secondary",
          "url": "https://www.shootingtimes.com/editorial/gunsmithing_st_installswspringkit_200812/100181",
          "page": null,
          "pdfPage": null,
          "pageUrl": null,
          "quote": "The hammer-block safety will be lying loose under it, so take care to note how it goes in. There is a small pin on the rebound slide where it rides."
        }
      },
      {
        "check": "Sideplate seats flush with no forcing; strain screw fully tightened",
        "why": "A sideplate that is not flush binds the grips and parts behind it; a backed-out strain screw gives light strikes (well-known S&W check).",
        "source": null
      },
      {
        "check": "Trigger reset with the rebound spring fitted",
        "why": "The rebound slide spring is also the trigger return spring.",
        "source": {
          "title": "Installing Smith & Wesson Spring Kit",
          "publisher": "Shooting Times",
          "reliability": "secondary",
          "url": "https://www.shootingtimes.com/editorial/gunsmithing_st_installswspringkit_200812/100181",
          "page": null,
          "pdfPage": null,
          "pageUrl": null,
          "quote": "The downside is that the rebound also serves as the trigger return spring"
        }
      }
    ],
    "assessed": "2026-10-29"
  },
  "videos": [
    {
      "title": "How To Clean a Revolver | Smith & Wesson®",
      "url": "https://www.youtube.com/watch?v=sdcHsTJlH_c",
      "platform": "youtube",
      "embedUrl": null,
      "shows": [
        "cleaning",
        "maintenance"
      ],
      "appliesTo": "Revolvers in general (S&W's own generic guide; no model named in title/description)",
      "published": "2026-02-23",
      "note": null,
      "channel": {
        "id": "UCakTOTSU6hhiSG_vU5P6Kww",
        "name": "Smith & Wesson",
        "url": "https://www.youtube.com/@SmithAndWessonInc",
        "owner": "Smith & Wesson Inc. (manufacturer)"
      },
      "accessed": "2026-10-15"
    },
    {
      "title": "Unloading & Reloading Revolvers",
      "url": "https://www.youtube.com/watch?v=A88dQCkTllA",
      "platform": "youtube",
      "embedUrl": null,
      "shows": [
        "clear-and-make-safe",
        "operation"
      ],
      "appliesTo": "Revolvers in general (GUNSMARTS series, Jerry Miculek; no model named)",
      "published": "2021-07-13",
      "note": null,
      "channel": {
        "id": "UCakTOTSU6hhiSG_vU5P6Kww",
        "name": "Smith & Wesson",
        "url": "https://www.youtube.com/@SmithAndWessonInc",
        "owner": "Smith & Wesson Inc. (manufacturer)"
      },
      "accessed": "2026-10-15"
    }
  ],
  "configurations": [],
  "tools": [
    {
      "name": "Hollow-ground gunsmith screwdriver",
      "required": true,
      "usedFor": "The yoke retaining screw. A tapered hardware-store screwdriver will chew the screw head and it will look chewed forever.",
      "substitute": "None worth using. Buy the right screwdriver."
    }
  ],
  "phases": [
    {
      "id": "clear",
      "title": "Clear and make safe",
      "steps": [
        {
          "n": 1,
          "instruction": "Point the muzzle in a safe direction and keep your finger off the trigger."
        },
        {
          "n": 2,
          "instruction": "Push the thumbpiece forward and swing the cylinder out to the left."
        },
        {
          "n": 3,
          "instruction": "Press the ejector rod firmly to eject all cartridges or cases from the chambers.",
          "tip": "Point the muzzle up and strike the rod briskly with the palm so the cases clear fully.",
          "partsFreed": [
            "Cartridges or cases"
          ]
        },
        {
          "n": 4,
          "instruction": "Look through every chamber, one at a time, and confirm each is empty.",
          "warning": "All six. A revolver with one loaded chamber looks identical to an empty one from most angles."
        },
        {
          "n": 5,
          "instruction": "Confirm the chamber-to-barrel gap area and the bore are clear of obstruction."
        },
        {
          "n": 6,
          "instruction": "Remove all live ammunition from the work area."
        }
      ],
      "videos": [
        {
          "title": "Unloading & Reloading Revolvers",
          "url": "https://www.youtube.com/watch?v=A88dQCkTllA",
          "platform": "youtube",
          "embedUrl": null,
          "shows": [
            "clear-and-make-safe",
            "operation"
          ],
          "appliesTo": "Revolvers in general (GUNSMARTS series, Jerry Miculek; no model named)",
          "published": "2021-07-13",
          "note": null,
          "channel": {
            "id": "UCakTOTSU6hhiSG_vU5P6Kww",
            "name": "Smith & Wesson",
            "url": "https://www.youtube.com/@SmithAndWessonInc",
            "owner": "Smith & Wesson Inc. (manufacturer)"
          },
          "accessed": "2026-10-15"
        }
      ]
    },
    {
      "id": "disassemble",
      "title": "Disassemble",
      "videos": [],
      "procedures": [
        {
          "procedure": "field-strip",
          "title": "Routine cleaning (what Smith & Wesson documents)",
          "level": "field-strip",
          "configuration": false,
          "steps": [
            {
              "n": 1,
              "instruction": "Complete the Clear and Make Safe procedure and leave the cylinder swung out."
            },
            {
              "n": 2,
              "instruction": "Clean the bore and each chamber with a solvent-wetted patch and bronze brush, then dry patches until they come out clean."
            },
            {
              "n": 3,
              "instruction": "Clean the front face of the cylinder, the forcing cone, and the recoil shield, where fouling and lead build up fastest."
            },
            {
              "n": 4,
              "instruction": "Restrict your choice of solvent to products made for firearms, and avoid prolonged solvent immersion or ultrasonic cleaning — S&W records finish damage from both.",
              "warning": "Never use ammoniated or other strong alkaline solvents on a Smith & Wesson.",
              "tip": "S&W's rule of thumb: if you would be happy putting it on your car's paint, it is probably safe on the gun."
            },
            {
              "n": 5,
              "instruction": "Come back in 24 to 48 hours. Residue works its way out of the barrel and chambers after the first clean; remove it with a bristle brush and a light re-application of solvent, then re-oil."
            },
            {
              "n": 6,
              "instruction": "Apply a light film of good gun oil to all external metal surfaces and wipe clean. In cold climates use an oil that will not thicken."
            }
          ]
        },
        {
          "procedure": "lockwork-disassembly",
          "title": "Remove the side plate and strip the lockwork",
          "level": "detail-strip",
          "configuration": false,
          "steps": [
            {
              "n": 1,
              "instruction": "Remove the grip screw.",
              "warning": "Make sure revolver is not loaded and barrel is not obstructed.",
              "tip": "On the S&W the screw is removed from the side opposite the one shown in the manual's illustration.",
              "partsFreed": [
                "Grip screw"
              ]
            },
            {
              "n": 2,
              "instruction": "Remove both grips from the frame.",
              "partsFreed": [
                "Grips (2)"
              ]
            },
            {
              "n": 3,
              "instruction": "Press forward on the thumbpiece and open the cylinder."
            },
            {
              "n": 4,
              "instruction": "Remove the front side plate screw (yoke screw).",
              "partsFreed": [
                "Front side plate (yoke) screw"
              ]
            },
            {
              "n": 5,
              "instruction": "Carefully slide the cylinder assembly forward, lining up one of the flutes in the cylinder with the edge of the frame."
            },
            {
              "n": 6,
              "instruction": "Remove the cylinder and yoke assembly.",
              "partsFreed": [
                "Cylinder and yoke assembly"
              ]
            },
            {
              "n": 7,
              "instruction": "Remove the two remaining side plate screws.",
              "warning": "Do not attempt to pry the side plate from the frame. Prying can damage the frame or side plate.",
              "partsFreed": [
                "Side plate screws (2)"
              ]
            },
            {
              "n": 8,
              "instruction": "Pad the frame around the side plate and gently tap the frame areas near the side plate with a soft-faced hammer, gradually lifting the side plate off.",
              "partsFreed": [
                "Side plate"
              ]
            },
            {
              "n": 9,
              "instruction": "Remove the hammer block.",
              "partsFreed": [
                "Hammer block"
              ]
            },
            {
              "n": 10,
              "instruction": "Remove the strain screw.",
              "partsFreed": [
                "Strain screw"
              ]
            },
            {
              "n": 11,
              "instruction": "Push the top of the flat (main) spring forward to take its strain off the stirrup, release it from the lugs on the stirrup, and remove it.",
              "partsFreed": [
                "Flat spring (mainspring)"
              ]
            },
            {
              "n": 12,
              "instruction": "Push the thumbpiece back and hold it, cock the hammer and hold the trigger to the rear.",
              "tip": "The thumbpiece is on the left side of the revolver."
            },
            {
              "n": 13,
              "instruction": "Remove the hammer from the hammer stud and release the trigger.",
              "partsFreed": [
                "Hammer assembly"
              ]
            },
            {
              "n": 14,
              "instruction": "Carefully raise the rebound slide until it clears its stud, easing the tension on the compression spring.",
              "warning": "After the rebound slide clears the stud, gradually ease tension on the compression spring to prevent it from being lost or damaged."
            },
            {
              "n": 15,
              "instruction": "Remove the rebound slide assembly, leaving the compression spring in its recess.",
              "partsFreed": [
                "Rebound slide assembly"
              ]
            },
            {
              "n": 16,
              "instruction": "Hold the hand to the rear and carefully lift the trigger assembly off the trigger stud on the frame.",
              "partsFreed": [
                "Trigger assembly"
              ]
            },
            {
              "n": 17,
              "instruction": "Remove the cylinder stop from the frame.",
              "partsFreed": [
                "Cylinder stop"
              ]
            },
            {
              "n": 18,
              "instruction": "Remove the stop spring from the cylinder stop.",
              "partsFreed": [
                "Cylinder stop spring"
              ]
            }
          ]
        },
        {
          "procedure": "cylinder-yoke-disassembly",
          "title": "Disassemble the cylinder and yoke assembly",
          "level": "detail-strip",
          "configuration": false,
          "steps": [
            {
              "n": 1,
              "instruction": "Remove the cylinder and yoke assembly from the revolver."
            },
            {
              "n": 2,
              "instruction": "Slide the yoke out of the cylinder assembly.",
              "partsFreed": [
                "Yoke"
              ]
            },
            {
              "n": 3,
              "instruction": "Unscrew the extractor rod from the extractor.",
              "warning": "The threads on the end of the extractor rod and in the extractor are left-hand threads. Turn clockwise to loosen and counterclockwise to tighten.",
              "partsFreed": [
                "Extractor rod"
              ]
            },
            {
              "n": 4,
              "instruction": "Remove the extractor rod collar, the two compression springs, the center pin and the extractor from the cylinder.",
              "partsFreed": [
                "Extractor rod collar",
                "Compression springs (2)",
                "Center pin",
                "Extractor"
              ]
            },
            {
              "n": 5,
              "instruction": "Remove the extractor pins and the gas ring from the cylinder only if they are being replaced.",
              "warning": "Extractor pins and gas ring must not be removed except for replacement.",
              "partsFreed": [
                "Extractor pins",
                "Gas ring"
              ]
            }
          ]
        },
        {
          "procedure": "rebound-slide-disassembly",
          "title": "Disassemble the rebound slide",
          "level": "detail-strip",
          "configuration": false,
          "steps": [
            {
              "n": 1,
              "instruction": "Shake the compression spring out of the rebound slide.",
              "partsFreed": [
                "Rebound slide spring"
              ]
            },
            {
              "n": 2,
              "instruction": "Drive the rebound slide pin out of the rebound slide.",
              "partsFreed": [
                "Rebound slide pin"
              ]
            }
          ]
        },
        {
          "procedure": "trigger-disassembly",
          "title": "Disassemble the trigger assembly",
          "level": "detail-strip",
          "configuration": false,
          "steps": [
            {
              "n": 1,
              "instruction": "Pull up on the torsion spring and remove the hand and hand pin from the trigger.",
              "partsFreed": [
                "Hand",
                "Hand pin"
              ]
            },
            {
              "n": 2,
              "instruction": "Drive out the torsion spring's headless pin and remove the spring.",
              "partsFreed": [
                "Headless pin",
                "Torsion spring"
              ]
            },
            {
              "n": 3,
              "instruction": "Drive out the trigger lever's headless pins and remove the trigger lever from the trigger.",
              "partsFreed": [
                "Headless pins",
                "Trigger lever"
              ]
            }
          ]
        },
        {
          "procedure": "thumbpiece-bolt-removal",
          "title": "Remove the thumbpiece and cylinder bolt from the frame",
          "level": "detail-strip",
          "configuration": false,
          "steps": [
            {
              "n": 1,
              "instruction": "Remove the thumbpiece nut and the thumbpiece from the side of the frame.",
              "warning": "Be careful not to bend or damage the bolt. Do not lose the plunger or spring.",
              "partsFreed": [
                "Thumbpiece nut",
                "Thumbpiece"
              ]
            },
            {
              "n": 2,
              "instruction": "Slide the bolt to the rear and lift the back of the bolt up and out of the frame.",
              "partsFreed": [
                "Bolt"
              ]
            },
            {
              "n": 3,
              "instruction": "Remove the bolt plunger and helical spring from the bolt.",
              "partsFreed": [
                "Bolt plunger",
                "Bolt spring"
              ]
            }
          ]
        }
      ]
    },
    {
      "id": "refinish",
      "title": "Refinish",
      "components": [
        {
          "name": "Grip screw",
          "procedure": "lockwork-disassembly",
          "level": "detail-strip",
          "step": 1
        },
        {
          "name": "Grips (2)",
          "procedure": "lockwork-disassembly",
          "level": "detail-strip",
          "step": 2
        },
        {
          "name": "Front side plate (yoke) screw",
          "procedure": "lockwork-disassembly",
          "level": "detail-strip",
          "step": 4
        },
        {
          "name": "Cylinder and yoke assembly",
          "procedure": "lockwork-disassembly",
          "level": "detail-strip",
          "step": 6
        },
        {
          "name": "Side plate screws (2)",
          "procedure": "lockwork-disassembly",
          "level": "detail-strip",
          "step": 7
        },
        {
          "name": "Side plate",
          "procedure": "lockwork-disassembly",
          "level": "detail-strip",
          "step": 8
        },
        {
          "name": "Hammer block",
          "procedure": "lockwork-disassembly",
          "level": "detail-strip",
          "step": 9
        },
        {
          "name": "Strain screw",
          "procedure": "lockwork-disassembly",
          "level": "detail-strip",
          "step": 10
        },
        {
          "name": "Flat spring (mainspring)",
          "procedure": "lockwork-disassembly",
          "level": "detail-strip",
          "step": 11
        },
        {
          "name": "Hammer assembly",
          "procedure": "lockwork-disassembly",
          "level": "detail-strip",
          "step": 13
        },
        {
          "name": "Rebound slide assembly",
          "procedure": "lockwork-disassembly",
          "level": "detail-strip",
          "step": 15
        },
        {
          "name": "Trigger assembly",
          "procedure": "lockwork-disassembly",
          "level": "detail-strip",
          "step": 16
        },
        {
          "name": "Cylinder stop",
          "procedure": "lockwork-disassembly",
          "level": "detail-strip",
          "step": 17
        },
        {
          "name": "Cylinder stop spring",
          "procedure": "lockwork-disassembly",
          "level": "detail-strip",
          "step": 18
        },
        {
          "name": "Yoke",
          "procedure": "cylinder-yoke-disassembly",
          "level": "detail-strip",
          "step": 2
        },
        {
          "name": "Extractor rod",
          "procedure": "cylinder-yoke-disassembly",
          "level": "detail-strip",
          "step": 3
        },
        {
          "name": "Extractor rod collar",
          "procedure": "cylinder-yoke-disassembly",
          "level": "detail-strip",
          "step": 4
        },
        {
          "name": "Compression springs (2)",
          "procedure": "cylinder-yoke-disassembly",
          "level": "detail-strip",
          "step": 4
        },
        {
          "name": "Center pin",
          "procedure": "cylinder-yoke-disassembly",
          "level": "detail-strip",
          "step": 4
        },
        {
          "name": "Extractor",
          "procedure": "cylinder-yoke-disassembly",
          "level": "detail-strip",
          "step": 4
        },
        {
          "name": "Extractor pins",
          "procedure": "cylinder-yoke-disassembly",
          "level": "detail-strip",
          "step": 5
        },
        {
          "name": "Gas ring",
          "procedure": "cylinder-yoke-disassembly",
          "level": "detail-strip",
          "step": 5
        },
        {
          "name": "Rebound slide spring",
          "procedure": "rebound-slide-disassembly",
          "level": "detail-strip",
          "step": 1
        },
        {
          "name": "Rebound slide pin",
          "procedure": "rebound-slide-disassembly",
          "level": "detail-strip",
          "step": 2
        },
        {
          "name": "Hand",
          "procedure": "trigger-disassembly",
          "level": "detail-strip",
          "step": 1
        },
        {
          "name": "Hand pin",
          "procedure": "trigger-disassembly",
          "level": "detail-strip",
          "step": 1
        },
        {
          "name": "Headless pin",
          "procedure": "trigger-disassembly",
          "level": "detail-strip",
          "step": 2
        },
        {
          "name": "Torsion spring",
          "procedure": "trigger-disassembly",
          "level": "detail-strip",
          "step": 2
        },
        {
          "name": "Headless pins",
          "procedure": "trigger-disassembly",
          "level": "detail-strip",
          "step": 3
        },
        {
          "name": "Trigger lever",
          "procedure": "trigger-disassembly",
          "level": "detail-strip",
          "step": 3
        },
        {
          "name": "Thumbpiece nut",
          "procedure": "thumbpiece-bolt-removal",
          "level": "detail-strip",
          "step": 1
        },
        {
          "name": "Thumbpiece",
          "procedure": "thumbpiece-bolt-removal",
          "level": "detail-strip",
          "step": 1
        },
        {
          "name": "Bolt",
          "procedure": "thumbpiece-bolt-removal",
          "level": "detail-strip",
          "step": 2
        },
        {
          "name": "Bolt plunger",
          "procedure": "thumbpiece-bolt-removal",
          "level": "detail-strip",
          "step": 3
        },
        {
          "name": "Bolt spring",
          "procedure": "thumbpiece-bolt-removal",
          "level": "detail-strip",
          "step": 3
        }
      ],
      "manufacturerPartsList": null,
      "partsDiagrams": [
        {
          "title": "Model and features identification (labelled photo of the revolver)",
          "source": {
            "title": "Smith & Wesson Revolvers (Modern Style) Safety & Instruction Manual",
            "publisher": "Smith & Wesson",
            "reliability": "primary",
            "url": "https://www.mcarbo.com/.Owners%20Manuals/S-W_Revolver_Owners-Manual.pdf",
            "page": "14",
            "pdfPage": 14,
            "pageUrl": "https://www.mcarbo.com/.Owners%20Manuals/S-W_Revolver_Owners-Manual.pdf#page=14",
            "quote": null
          }
        }
      ],
      "materials": [
        {
          "component": "Frame",
          "material": "CARBON STEEL",
          "finish": "BLUED",
          "appliesTo": "Model 10 Classic, 4in, no internal lock, SKU 14074",
          "note": null,
          "source": {
            "title": "Smith & Wesson Model 10 Classic (No Internal Lock) — product specifications, SKU 14074",
            "publisher": "Smith & Wesson Brands, Inc.",
            "reliability": "primary",
            "url": "https://www.smith-wesson.com/product/model-10-classic-no-internal-lock",
            "page": null,
            "pdfPage": null,
            "pageUrl": null,
            "quote": "FRAME MATERIAL … CARBON STEEL … COLOR/FINISH … BLUED"
          }
        },
        {
          "component": "Grips",
          "material": "WALNUT",
          "finish": null,
          "appliesTo": "Model 10 Classic, 4in, no internal lock, SKU 14074",
          "note": null,
          "source": {
            "title": "Smith & Wesson Model 10 Classic (No Internal Lock) — product specifications, SKU 14074",
            "publisher": "Smith & Wesson Brands, Inc.",
            "reliability": "primary",
            "url": "https://www.smith-wesson.com/product/model-10-classic-no-internal-lock",
            "page": null,
            "pdfPage": null,
            "pageUrl": null,
            "quote": "GRIP … WALNUT"
          }
        }
      ],
      "note": "The components the procedures above separate. Coating, masking and cure are outside this database; follow your coating system's instructions. A part the manufacturer marks \"factory fit\" should not be swapped or reworked."
    },
    {
      "id": "reassemble",
      "title": "Reassemble",
      "videos": [],
      "procedures": [
        {
          "procedure": "thumbpiece-bolt-removal",
          "title": "Remove the thumbpiece and cylinder bolt from the frame",
          "configuration": false,
          "steps": null,
          "instruction": "Reverse the steps of \"Remove the thumbpiece and cylinder bolt from the frame\"."
        },
        {
          "procedure": "trigger-disassembly",
          "title": "Disassemble the trigger assembly",
          "configuration": false,
          "steps": null,
          "instruction": "Reverse the steps of \"Disassemble the trigger assembly\"."
        },
        {
          "procedure": "rebound-slide-disassembly",
          "title": "Disassemble the rebound slide",
          "configuration": false,
          "steps": null,
          "instruction": "Reverse the steps of \"Disassemble the rebound slide\"."
        },
        {
          "procedure": "cylinder-yoke-disassembly",
          "title": "Disassemble the cylinder and yoke assembly",
          "configuration": false,
          "steps": null,
          "instruction": "Reverse the steps of \"Disassemble the cylinder and yoke assembly\"."
        },
        {
          "procedure": "lockwork-disassembly",
          "title": "Remove the side plate and strip the lockwork",
          "configuration": false,
          "steps": null,
          "instruction": "Reverse the steps of \"Remove the side plate and strip the lockwork\"."
        },
        {
          "procedure": "lockwork-reassembly",
          "title": "Reassemble the lockwork and install the side plate",
          "configuration": false,
          "steps": [
            {
              "n": 1,
              "instruction": "Place the compression spring in the cylinder stop, depress the spring, and install the cylinder stop on the frame."
            },
            {
              "n": 2,
              "instruction": "Install the trigger assembly on its mounting stud by moving the hand to the rear and pivoting the trigger lever up."
            },
            {
              "n": 3,
              "instruction": "Hold the trigger and the thumbpiece to the rear, pivot the stirrup upward, and install the hammer on its stud."
            },
            {
              "n": 4,
              "instruction": "Make sure the compression spring is in the recess of the rebound slide."
            },
            {
              "n": 5,
              "instruction": "Depress the spring and install the rebound slide, beveled end forward, so the rear of the trigger lever fits in the recess of the rebound slide and against the retaining stud."
            },
            {
              "n": 6,
              "instruction": "Keep steady pressure on the compression spring until it is safely positioned against its stud."
            },
            {
              "n": 7,
              "instruction": "Install the flat (main) spring by attaching it to the stirrup and placing it into the frame."
            },
            {
              "n": 8,
              "instruction": "Install and tighten the strain screw."
            },
            {
              "n": 9,
              "instruction": "Install the hammer block."
            },
            {
              "n": 10,
              "instruction": "Check that the hammer block is positioned correctly, then install the side plate and seat it properly in the frame."
            },
            {
              "n": 11,
              "instruction": "Install the round-head and flat-head side plate screws."
            },
            {
              "n": 12,
              "instruction": "Line up the cylinder assembly with the frame and install it."
            },
            {
              "n": 13,
              "instruction": "Secure the cylinder assembly with its screw."
            },
            {
              "n": 14,
              "instruction": "Close the cylinder."
            },
            {
              "n": 15,
              "instruction": "Position the grips on the frame and secure them with the grip screw."
            },
            {
              "n": 16,
              "instruction": "Test hammer nose protrusion, cylinder alignment and trigger pull.",
              "tip": "Manual values: hammer nose protrusion 0.040-0.050 inch; single-action pull 2 1/2 to 5 lb; double-action pull not over 16 lb."
            }
          ],
          "instruction": null
        },
        {
          "procedure": "cylinder-yoke-reassembly",
          "title": "Reassemble the cylinder and yoke assembly",
          "configuration": false,
          "steps": [
            {
              "n": 1,
              "instruction": "If they were removed, drive a new gas ring into the cylinder."
            },
            {
              "n": 2,
              "instruction": "If they were removed, drive new extractor pins into the cylinder."
            },
            {
              "n": 3,
              "instruction": "Insert the extractor, compression spring, extractor rod collar, center pin and second compression spring in the cylinder."
            },
            {
              "n": 4,
              "instruction": "Insert the extractor rod in the extractor and tighten it.",
              "warning": "The threads on the end of the extractor rod and in the extractor are left-hand threads. Turn counterclockwise to tighten or install."
            },
            {
              "n": 5,
              "instruction": "Slide the yoke into the cylinder."
            }
          ],
          "instruction": null
        },
        {
          "procedure": "rebound-slide-reassembly",
          "title": "Reassemble the rebound slide",
          "configuration": false,
          "steps": [
            {
              "n": 1,
              "instruction": "Drive the rebound slide pin into the rebound slide until it is flush with the back side of the slide."
            },
            {
              "n": 2,
              "instruction": "Insert the compression spring into the rebound slide."
            }
          ],
          "instruction": null
        },
        {
          "procedure": "trigger-reassembly",
          "title": "Reassemble the trigger assembly",
          "configuration": false,
          "steps": [
            {
              "n": 1,
              "instruction": "Insert the trigger lever in the trigger and secure it with its headless pin."
            },
            {
              "n": 2,
              "instruction": "Insert the second headless pin."
            },
            {
              "n": 3,
              "instruction": "Install the torsion spring and secure it with its headless pin."
            },
            {
              "n": 4,
              "instruction": "Drive the hand pin into the hand."
            },
            {
              "n": 5,
              "instruction": "Pull up on the torsion spring and install the hand so that the hand pin engages the torsion spring."
            }
          ],
          "instruction": null
        },
        {
          "procedure": "thumbpiece-bolt-installation",
          "title": "Install the cylinder bolt and thumbpiece",
          "configuration": false,
          "steps": [
            {
              "n": 1,
              "instruction": "Insert the helical spring and bolt plunger in the end of the bolt and compress the spring."
            },
            {
              "n": 2,
              "instruction": "With the spring fully compressed, insert the bolt in the frame."
            },
            {
              "n": 3,
              "instruction": "Install the thumbpiece and secure it with the thumbpiece nut."
            }
          ],
          "instruction": null
        },
        {
          "procedure": "reassembly",
          "title": "Reassembly",
          "configuration": false,
          "steps": [
            {
              "n": 1,
              "instruction": "Slide the yoke and cylinder assembly back into the frame, seating the yoke fully in its frame cut."
            },
            {
              "n": 2,
              "instruction": "Start the yoke retaining screw by hand to avoid cross-threading, then tighten it snugly with the correct screwdriver.",
              "warning": "Do not overtighten. The screw only needs to be snug; it is not a structural fastener."
            },
            {
              "n": 3,
              "instruction": "Close the cylinder gently by hand. Never flick it closed.",
              "warning": "Flicking the cylinder closed springs the crane and puts the revolver out of time."
            },
            {
              "n": 4,
              "instruction": "Perform the function check."
            }
          ],
          "instruction": null
        }
      ]
    },
    {
      "id": "torque",
      "title": "Torque",
      "coverage": "none-recorded",
      "manufacturer": [],
      "reported": [],
      "notes": "The manufacturer's documents give no torque value. They say: \"The barrel assembly is re-installed using the same tool and an accurate torque wrench.\" (Safety & Instruction Manual, Revolvers - Modern Style - J, K, L and N Frame (p/n 416560000, REV S&W_REVOLVER_112119), linked from smith-wesson.com revolver product pages, p. 26 (Gunsmith Advisory))"
    },
    {
      "id": "function-check",
      "title": "Function check",
      "checks": [
        "Verify all chambers are empty before each check.",
        "Cock the hammer slowly and confirm the cylinder locks up at each chamber before the hammer reaches full cock — this is carry-up.",
        "With the hammer at full cock, try to rotate the cylinder by hand. It should be locked, with only minimal play.",
        "Press the trigger in single action and confirm the hammer falls cleanly.",
        "Cycle the action in double action through all six chambers and confirm the cylinder indexes and locks each time.",
        "Confirm the cylinder latches closed securely and the thumbpiece releases it cleanly.",
        "Check that the cylinder has minimal front-to-back play (endshake) and that the cylinder gap looks even. If either seems off, see a gunsmith."
      ],
      "videos": []
    }
  ],
  "troubleshooting": [],
  "sources": [
    {
      "n": 1,
      "id": "sw-revolver-manual",
      "title": "Smith & Wesson Revolvers (Modern Style) Safety & Instruction Manual",
      "publisher": "Smith & Wesson",
      "reliability": "primary",
      "url": "https://www.mcarbo.com/.Owners%20Manuals/S-W_Revolver_Owners-Manual.pdf",
      "accessed": "2026-09-15"
    },
    {
      "n": 2,
      "id": "smith-wesson-cf7591",
      "title": "Safety & Instruction Manual, Revolvers - Modern Style - J, K, L and N Frame (p/n 416560000, REV S&W_REVOLVER_112119), linked from smith-wesson.com revolver product pages",
      "publisher": "Smith & Wesson",
      "reliability": "primary",
      "url": "https://smith-wesson.canto.com/direct/document/tquc8lb05d2hl96gi51fuh2m46/2Ppiam-m3ty8iZtHw_DoQfTzAsI/original?content-type=application%2Fpdf",
      "accessed": "2026-09-27"
    },
    {
      "n": 3,
      "id": "smith-wesson-specs-5b2ec1",
      "title": "Smith & Wesson Model 10 Classic (No Internal Lock) — product specifications, SKU 14074",
      "publisher": "Smith & Wesson Brands, Inc.",
      "reliability": "primary",
      "url": "https://www.smith-wesson.com/product/model-10-classic-no-internal-lock",
      "accessed": "2026-10-03"
    },
    {
      "n": 4,
      "id": "tm-9-1005-206-14-p-1",
      "title": "TM 9-1005-206-14&P-1 Operator's, Organizational, Direct Support, and General Support Maintenance Manual Including Repair Parts and Special Tools List for Revolver, Caliber .38 Special: Smith and Wesson, Military and Police, M10 (Round Butt 4-inch and 2-inch Barrel; Square Butt 4-inch Barrel) and Rev",
      "publisher": "Headquarters, Department of the Army",
      "reliability": "primary",
      "url": "https://archive.org/download/revolver-cal-.-38-spl-smith-and-wesson-mil.-and-police-m-10/Revolver%2C%20Cal%20.38%20Spl%2C%20Smith%20and%20Wesson%20Mil.%20and%20Police%20M10.pdf",
      "accessed": "2026-10-03"
    },
    {
      "n": 5,
      "id": "pat-smith-wesson-704590",
      "title": "Virtual Patent Marking | Smith & Wesson",
      "publisher": "Smith & Wesson",
      "reliability": "primary",
      "url": "https://www.smith-wesson.com/company/virtual-patent-marking",
      "accessed": "2026-10-13"
    },
    {
      "n": 6,
      "id": "tier-b893c348",
      "title": "Installing Smith & Wesson Spring Kit",
      "publisher": "Shooting Times",
      "reliability": "secondary",
      "url": "https://www.shootingtimes.com/editorial/gunsmithing_st_installswspringkit_200812/100181",
      "accessed": "2026-10-29"
    },
    {
      "n": 7,
      "id": "tier-c2fb7a3e",
      "title": "Change of a 686 rebound spring",
      "publisher": "Smith & Wesson Forum",
      "reliability": "anecdotal",
      "url": "https://smith-wessonforum.com/threads/change-of-a-686-rebound-spring.330582",
      "accessed": "2026-10-29"
    },
    {
      "n": 8,
      "id": "tier-6fd9c164",
      "title": "TM 9-1005-206-14&P-1, Revolver, Caliber .38 Special: Smith and Wesson Military and Police M10 (and Ruger) - Appendix C, Section II Repair Parts List (archive.org OCR text of the scanned PDF)",
      "publisher": "Headquarters, Department of the Army (scan hosted by archive.org)",
      "reliability": "primary",
      "url": "https://archive.org/download/revolver-cal-.-38-spl-smith-and-wesson-mil.-and-police-m-10/Revolver%2C%20Cal%20.38%20Spl%2C%20Smith%20and%20Wesson%20Mil.%20and%20Police%20M10_djvu.txt",
      "accessed": "2026-10-29"
    }
  ]
}