{
  "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": "colt-1903-pocket-hammerless",
    "name": "Colt Model 1903 Pocket Hammerless",
    "manufacturer": {
      "id": "colt",
      "name": "Colt's Manufacturing Company"
    },
    "category": "pistol",
    "action": "blowback",
    "calibers": [
      ".32 ACP",
      ".380 ACP"
    ],
    "alsoKnownAs": [
      "M1903",
      "Colt 1908 (.380 version)"
    ],
    "coversAlso": [
      "Colt Model 1908 in .380 ACP",
      "Colt Model 1903 General Officer’s pistols"
    ],
    "page": "firearms/colt-1903-pocket-hammerless.html",
    "bundle": "api/v1/firearms/colt-1903-pocket-hammerless.json",
    "lastUpdated": "2026-10-29"
  },
  "notices": [
    "This work order is written for the Colt Model 1903 Pocket Hammerless. It is reported to cover Colt Model 1908 in .380 ACP; Colt Model 1903 General Officer’s pistols — 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": "high",
    "verification": "manufacturer-manual-verified"
  },
  "manufacturerDisassembly": {
    "status": "published",
    "limit": null,
    "statement": null,
    "source": {
      "title": "Colt Automatic Pistol, Pocket Model, Hammerless, Calibers .32 and .380 — factory instructions",
      "publisher": "Colt's Manufacturing Company",
      "reliability": "primary",
      "url": "https://www.colt.com/wp-content/uploads/2023/02/automaticpistolpocketmodelcalibers.32.380hammerless.pdf",
      "page": "PDF p. 4",
      "pdfPage": 4,
      "pageUrl": "https://www.colt.com/wp-content/uploads/2023/02/automaticpistolpocketmodelcalibers.32.380hammerless.pdf#page=4",
      "quote": null
    }
  },
  "recalls": [],
  "shopTier": {
    "tier": 3,
    "group": "pistol",
    "rating": "Pew-Takedown editorial rating (1 easy – 3 hardest), not the manufacturer's",
    "reason": "Only about 43 listed parts, but reassembly needs the grip safety, trigger, sear and disconnector all held at once while the hammer is pressed onto the mainspring leaf and the safety/hammer pin is worked in over a slave pin in a vise; the grip safety hooks must catch the sear lobes correctly. Owners call it worse than a Ruger .22 auto: a few-parts gun with a notorious reassembly trap.",
    "confidence": "high",
    "partCount": {
      "value": 43,
      "kind": "line-items",
      "covers": "Complete pistol incl. magazine and stocks; keys 1-41 (no 11 or 23) plus 4a, two extractor variants (8-1/8-2) and three recoil spring guide types (27-1/2/3); 'Magazine Complete' (31) and 'Safety Discon",
      "basis": "manufacturer-parts-list",
      "source": {
        "title": "Colt M 1903/1908 pistol Exploded Views (Colt 'M' Pocket Model, Hammerless, models 1903 & 1908)",
        "publisher": "LeeRoy's Ramblings (reproducing an original Colt parts list)",
        "reliability": "primary",
        "url": "https://www.leeroysramblings.com/Gun%20parts%20illustrations/Colt_M_illustrated.htm",
        "page": null,
        "pdfPage": null,
        "pageUrl": null,
        "quote": "41 Front Sight"
      }
    },
    "painPoints": [
      {
        "issue": "Reassembly past the field strip is the hard part; the factory says only 'reverse of disassembly', which a gunsmith says is not so.",
        "during": "reassembly",
        "source": {
          "title": "Colt 1903 Detailed Reassembly - The Difficult Parts",
          "publisher": "Smith & Wesson Forum",
          "reliability": "anecdotal",
          "url": "https://smith-wessonforum.com/threads/colt-1903-detailed-reassembly-the-difficult-parts.220830/",
          "page": null,
          "pdfPage": null,
          "pageUrl": null,
          "quote": "Light, compact, accurate, and a natural pointer, the Colt 1903 Pocket Auto retrofitted with modern sights remains a great little pistol, but a difficult one to reassemble."
        }
      },
      {
        "issue": "The hammer has to be pressed onto the mainspring leaf while grip safety, trigger, sear and disconnector are all held in position, then the frame fitted over a slave pin held in a vise.",
        "during": "reassembly",
        "source": {
          "title": "Colt 1903 Detailed Reassembly - The Difficult Parts",
          "publisher": "Smith & Wesson Forum",
          "reliability": "anecdotal",
          "url": "https://smith-wessonforum.com/threads/colt-1903-detailed-reassembly-the-difficult-parts.220830/",
          "page": null,
          "pdfPage": null,
          "pageUrl": null,
          "quote": "Then while continuing pressure at all three points, I carefully lift the frame and fit the assembly over the undersized slave pin I secured in the vise."
        }
      },
      {
        "issue": "The grip safety looks installed when its hooks have ridden over the sear lobes; it has to come out and go back with the sear tipped rearward.",
        "during": "reassembly",
        "source": {
          "title": "Colt 1903 Detailed Reassembly - The Difficult Parts",
          "publisher": "Smith & Wesson Forum",
          "reliability": "anecdotal",
          "url": "https://smith-wessonforum.com/threads/colt-1903-detailed-reassembly-the-difficult-parts.220830/",
          "page": null,
          "pdfPage": null,
          "pageUrl": null,
          "quote": "If instead, your efforts result in the grip safety ending in the “fired” or hammer-down position, the upper grip safety hooks rode over the sear lobes."
        }
      },
      {
        "issue": "Gunsmiths compare it unfavourably with the Ruger .22 auto, the usual benchmark for a miserable reassembly.",
        "during": "reassembly",
        "source": {
          "title": "Colt 1903 Detailed Reassembly - The Difficult Parts",
          "publisher": "Smith & Wesson Forum",
          "reliability": "anecdotal",
          "url": "https://smith-wessonforum.com/threads/colt-1903-detailed-reassembly-the-difficult-parts.220830/",
          "page": null,
          "pdfPage": null,
          "pageUrl": null,
          "quote": "It's even worse than a Ruger .22 auto."
        }
      }
    ],
    "minutes": {
      "strip": 40,
      "rebuild": 75,
      "basis": "estimated",
      "note": "Estimate for an experienced tech with the right tools, detail strip to coatable parts (slide internals, frame pins, trigger group, sights) and rebuild to a function-checked gun; scale used across pistols: Glock-pattern 15/20 min, other strikers 20-30/25-40, DA/SA hammer guns 30-35/45-50, Hi-Power, Colt 1903 and Mark 23 40-45/60-75.",
      "source": null
    },
    "stripScope": [
      {
        "assembly": "Slide",
        "removes": [
          "firing pin (front/rear), spring and lock pin",
          "extractor, spring and pin",
          "rear sight"
        ]
      },
      {
        "assembly": "Barrel",
        "removes": [
          "barrel",
          "recoil spring and guide"
        ]
      },
      {
        "assembly": "Frame",
        "removes": [
          "stocks and screws",
          "slide lock safety (hammer pin)",
          "hammer and roll",
          "grip safety and pin",
          "mainspring",
          "sear, safety and trigger spring",
          "sear and pin",
          "disconnector/safety disconnector, plunger and spring",
          "trigger",
          "ejector and pin",
          "magazine catch"
        ],
        "tools": [
          "slave pins",
          "vise with bronze/soft jaws"
        ]
      }
    ],
    "hardware": {
      "pins": 6,
      "springs": 7,
      "detents": 1,
      "basis": "counted from the parts list in partCount"
    },
    "specialTools": [
      {
        "tool": "Undersized slave pins (hammer pin and magazine catch pin)",
        "usedFor": "Aligning hammer, ejector and frame holes"
      },
      {
        "tool": "Bench vise with bronze-lined jaws",
        "usedFor": "Holding the slave pin while the frame is fitted over it"
      },
      {
        "tool": "Rubber band or thin slave pin",
        "usedFor": "Holding the grip safety"
      }
    ],
    "fitOnRebuild": [
      {
        "check": "Grip safety in the 'cocked' position engaging the sear lobes",
        "why": "If its hooks ride over the sear lobes it ends hammer-down and must be redone",
        "source": {
          "title": "Colt 1903 Detailed Reassembly - The Difficult Parts",
          "publisher": "Smith & Wesson Forum",
          "reliability": "anecdotal",
          "url": "https://smith-wessonforum.com/threads/colt-1903-detailed-reassembly-the-difficult-parts.220830/",
          "page": null,
          "pdfPage": null,
          "pageUrl": null,
          "quote": "You need to remove the grip safety, tip the sear to the rear and reinstall the grip safety so the end result is the “cocked” position."
        }
      },
      {
        "check": "Single-round test fire",
        "why": "Confirms the sear catches the hammer and the pistol will not double",
        "source": {
          "title": "Colt 1903 Detailed Reassembly - The Difficult Parts",
          "publisher": "Smith & Wesson Forum",
          "reliability": "anecdotal",
          "url": "https://smith-wessonforum.com/threads/colt-1903-detailed-reassembly-the-difficult-parts.220830/",
          "page": null,
          "pdfPage": null,
          "pageUrl": null,
          "quote": "My first test-fire rounds are a series of single rounds singly-loaded to insure the sear is catching the hammer correctly"
        }
      },
      {
        "check": "Full function check (trigger reset, safeties, slide lock-back, drop of striker/hammer only on trigger)",
        "why": "Standard after any fire-control strip; confirms springs and sears went back correctly",
        "source": null
      }
    ],
    "assessed": "2026-10-29"
  },
  "videos": [],
  "configurations": [],
  "tools": [],
  "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": "Remove the magazine."
        },
        {
          "n": 3,
          "instruction": "Press in the grip safety and cock the arm by drawing back the slide.",
          "tip": "Colt's procedure starts here: without the grip safety pressed the pistol will not cock."
        },
        {
          "n": 4,
          "instruction": "Look and see that no cartridge remains in the chamber.",
          "warning": "Colt puts this in bold in their own text. There is no external hammer to indicate the pistol's state — the chamber check is the only check."
        },
        {
          "n": 5,
          "instruction": "Remove all live ammunition from the work area."
        }
      ],
      "videos": []
    },
    {
      "id": "disassemble",
      "title": "Disassemble",
      "videos": [],
      "procedures": [
        {
          "procedure": "field-strip",
          "title": "Field Strip — Barrel and Slide",
          "level": "field-strip",
          "configuration": false,
          "steps": [
            {
              "n": 1,
              "instruction": "Complete the Clear and Make Safe procedure."
            },
            {
              "n": 2,
              "instruction": "Holding the pistol as Colt illustrates, move the slide to the rear until the arrow indicator reaches the marked position.",
              "tip": "The perpendicular line on the slide at the arrow point should coincide with the front edge of the frame. That alignment, not a notch, is what frees the barrel."
            },
            {
              "n": 3,
              "instruction": "Turn the barrel to the LEFT as far as it will go.",
              "warning": "Left to release. If it will not turn, the slide is not at the indicator position."
            },
            {
              "n": 4,
              "instruction": "Draw the slide, with the barrel still in it, forward off the receiver.",
              "partsFreed": [
                "Slide with barrel"
              ]
            },
            {
              "n": 5,
              "instruction": "The retractor spring and guide are now free. Remove them.",
              "warning": "Under compression.",
              "partsFreed": [
                "Retractor spring",
                "Retractor spring guide"
              ]
            },
            {
              "n": 6,
              "instruction": "To take the barrel out of the slide, turn the barrel back to its first position, then draw it forward and out.",
              "partsFreed": [
                "Barrel"
              ]
            }
          ]
        },
        {
          "procedure": "barrel-only",
          "title": "Removing the Barrel Without Removing the Slide",
          "level": "field-strip",
          "configuration": false,
          "steps": [
            {
              "n": 1,
              "instruction": "Complete the Clear and Make Safe procedure, then bring the slide back to the indicator position as above."
            },
            {
              "n": 2,
              "instruction": "Turn the barrel to the left."
            },
            {
              "n": 3,
              "instruction": "Release the slide slowly to its normal position.",
              "warning": "Slowly. The slide is under retractor spring tension."
            },
            {
              "n": 4,
              "instruction": "Turn the barrel to the right, back to its original position, and pull it out.",
              "partsFreed": [
                "Barrel"
              ]
            },
            {
              "n": 5,
              "instruction": "To replace it, push the barrel in until the front end of the centre guide band is slightly to the rear of the front end of the slide, then twist it left one quarter revolution, and proceed as for replacing barrel and slide."
            }
          ]
        }
      ]
    },
    {
      "id": "refinish",
      "title": "Refinish",
      "components": [
        {
          "name": "Slide with barrel",
          "procedure": "field-strip",
          "level": "field-strip",
          "step": 4
        },
        {
          "name": "Retractor spring",
          "procedure": "field-strip",
          "level": "field-strip",
          "step": 5
        },
        {
          "name": "Retractor spring guide",
          "procedure": "field-strip",
          "level": "field-strip",
          "step": 5
        },
        {
          "name": "Barrel",
          "procedure": "field-strip",
          "level": "field-strip",
          "step": 6
        }
      ],
      "manufacturerPartsList": null,
      "partsDiagrams": [],
      "materials": [],
      "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": "reassembly",
          "title": "Reassembly",
          "configuration": false,
          "steps": [
            {
              "n": 1,
              "instruction": "Insert the barrel into the slide with the locking ribs downward — in sight as you look into the slide."
            },
            {
              "n": 2,
              "instruction": "Give the barrel more than a quarter turn so the ribs fit into the recess in the upper part of the slide."
            },
            {
              "n": 3,
              "instruction": "Fit the slide and receiver together so the guides in the receiver engage the slide grooves.",
              "warning": "Take care that the forward end of the retractor spring enters the recess made to receive it in the lower part of the slide. This is the step that is usually missed."
            },
            {
              "n": 4,
              "instruction": "Draw the slide back to the position shown by the indicators, moving the barrel very slightly so that it will engage."
            },
            {
              "n": 5,
              "instruction": "Turn the barrel as far as possible to the RIGHT. The arm is then fully locked.",
              "warning": "Right to lock. If the barrel will not turn fully right, the pistol is not assembled and must not be fired."
            },
            {
              "n": 6,
              "instruction": "Let the slide move forward to its closed position, insert the magazine, and perform the function check."
            }
          ],
          "instruction": null
        }
      ]
    },
    {
      "id": "torque",
      "title": "Torque",
      "coverage": "none-recorded",
      "manufacturer": [],
      "reported": [],
      "notes": null
    },
    {
      "id": "function-check",
      "title": "Function check",
      "checks": [
        "Verify the pistol is unloaded with no magazine inserted before each check.",
        "Without depressing the grip safety, press the trigger. The hammer must not release.",
        "Depress the grip safety and press the trigger. The hammer should release.",
        "Engage the manual safety and press the trigger with the grip safety depressed. The hammer must not release.",
        "Confirm the barrel is fully rotated into its locked position.",
        "Confirm the slide locks open on an empty magazine."
      ],
      "videos": []
    }
  ],
  "troubleshooting": [
    {
      "symptom": "The barrel will not turn to release the slide.",
      "cause": "The slide is not at Colt's indicator position.",
      "fix": "Move the slide rearward until the perpendicular line on the slide at the arrow point lines up with the front edge of the frame, then turn the barrel left.",
      "damageRisk": "Forcing the barrel against its ribs while they are still engaged can peen the locking recesses."
    },
    {
      "symptom": "The slide goes onto the receiver but binds, or the pistol will not cycle.",
      "cause": "The forward end of the retractor spring did not enter its recess in the lower part of the slide.",
      "fix": "Take the slide back off and refit it with the forward end of the retractor spring seated in its recess before drawing the slide back.",
      "damageRisk": "Running the pistol with the retractor spring out of its seat bends the spring and its guide."
    },
    {
      "symptom": "The barrel will not turn fully to the right on reassembly.",
      "cause": "The slide is not at the indicator position, or the barrel ribs are not aligned with their recess.",
      "fix": "Draw the slide back to the indicator position and move the barrel very slightly until it engages, then turn it as far right as it will go.",
      "damageRisk": "A barrel that is not turned fully right is not locked. Do not fire the pistol in that state."
    },
    {
      "symptom": "The barrel will not go into the slide.",
      "cause": "It is being offered up with the locking ribs in the wrong orientation.",
      "fix": "Enter the barrel with the locking ribs downward — visible as you look into the slide — then turn it more than a quarter turn so the ribs take up in the recess."
    }
  ],
  "sources": [
    {
      "n": 1,
      "id": "colt-1903-sheet",
      "title": "Colt Automatic Pistol, Pocket Model, Hammerless, Calibers .32 and .380 — factory instructions",
      "publisher": "Colt's Manufacturing Company",
      "reliability": "primary",
      "url": "https://www.colt.com/wp-content/uploads/2023/02/automaticpistolpocketmodelcalibers.32.380hammerless.pdf",
      "accessed": "2026-09-15"
    },
    {
      "n": 2,
      "id": "tier-7f984fcc",
      "title": "Colt M 1903/1908 pistol Exploded Views (Colt 'M' Pocket Model, Hammerless, models 1903 & 1908)",
      "publisher": "LeeRoy's Ramblings (reproducing an original Colt parts list)",
      "reliability": "primary",
      "url": "https://www.leeroysramblings.com/Gun%20parts%20illustrations/Colt_M_illustrated.htm",
      "accessed": "2026-10-29"
    },
    {
      "n": 3,
      "id": "tier-1ecf2043",
      "title": "Colt 1903 Detailed Reassembly - The Difficult Parts",
      "publisher": "Smith & Wesson Forum",
      "reliability": "anecdotal",
      "url": "https://smith-wessonforum.com/threads/colt-1903-detailed-reassembly-the-difficult-parts.220830/",
      "accessed": "2026-10-29"
    }
  ]
}