{ "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-19", "name": "Smith & Wesson Model 19", "manufacturer": { "id": "smith-wesson", "name": "Smith & Wesson" }, "category": "revolver", "action": "double-action-revolver", "calibers": [ ".357 Magnum", ".38 Special" ], "alsoKnownAs": [ "Combat Magnum", "Model 66 (stainless)" ], "coversAlso": [ "Model 66", "Model 19 Classic", "Model 19 Carry Comp" ], "page": "firearms/smith-wesson-19.html", "bundle": "api/v1/firearms/smith-wesson-19.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 19. It is reported to cover Model 66; Model 19 Classic; Model 19 Carry Comp — 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 (same rebound slide spring, hammer block and hand-spring traps as the Model 10) plus an adjustable rear sight with tiny springs and a plunger. No maker parts list found, but the K-frame M10 runs about 59 pieces, so moderate.", "confidence": "medium", "partCount": { "value": 69, "kind": "line-items", "covers": "complete Model 19 in one configuration (4-inch barrel, square butt, Goncalo Alves target stocks, standard hammer and trigger) from the S&W factory Model 19 parts list. The sheet has 85 lines; left out", "basis": "manufacturer-parts-list", "source": { "title": "Smith & Wesson .357 Combat Magnum Model No. 19 - factory Parts List sheet (scanned image; exploded view at SW19.jpg)", "publisher": "Smith & Wesson (factory sheet), scan hosted by CFN Parts (cfnparts.com Model 19 category page, 'Click Here To See - Parts List')", "reliability": "primary", "url": "https://cfnparts.com/image/catalog/products/data/Instruction%20Manuals/SmithWesson/SW19PL.jpg", "page": null, "pdfPage": null, "pageUrl": null, "quote": "7443** Trigger Stop" } }, "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": "An old sideplate that has never been off is very tight and has to be rapped loose without marring.", "during": "disassembly", "source": { "title": "My experience installing a Wolff spring kit", "publisher": "Smith & Wesson Forum", "reliability": "anecdotal", "url": "https://smith-wessonforum.com/threads/my-experience-installing-a-wolff-spring-kit.222810", "page": null, "pdfPage": null, "pageUrl": null, "quote": "The machining on the side plate is so precise that I had difficulty removing the plate once the screws were removed." } }, { "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": 40, "rebuild": 60, "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. Five extra minutes each w", "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": 12, "springs": 10, "detents": 2, "basis": "counted by name in the same list for that configuration. Pins: 5002 Barrel Pin, 5014 Extractor Pin, 5053 Hand Spring Pin, 5053 Hand Torsion Spring Pin, 5053 Sear Pin, 5053 Stirrup Pin, 5053 Trigger Le" }, "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 blade will burr the screw head permanently.", "substitute": "None worth using." } ], "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." }, { "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 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": "Every chamber, counted. A revolver with one loaded chamber looks identical to an empty one from most angles." }, { "n": 5, "instruction": "Confirm the bore is 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": "yoke-removal", "title": "Yoke and cylinder removal (not documented by S&W)", "level": "detail-strip", "configuration": false, "steps": [ { "n": 1, "instruction": "Read this first: Smith & Wesson does not publish this procedure. It is common gunsmith and armorer practice, recorded here because people do it, not because S&W sanctions it.", "warning": "S&W's manual directs additional maintenance to a qualified gunsmith. The wrong screwdriver on a sideplate screw marks the frame permanently." }, { "n": 2, "instruction": "Complete the Clear and Make Safe procedure and leave the cylinder open." }, { "n": 3, "instruction": "Identify the yoke retaining screw — the forward-most sideplate screw on the right side of the frame, ahead of the trigger.", "tip": "Screw positions differ across frame sizes and eras. Confirm against a parts diagram for your exact model before turning anything. The model and internal serial numbers are stamped inside the yoke, visible with the cylinder open." }, { "n": 4, "instruction": "Using a properly fitting hollow-ground screwdriver, remove the yoke retaining screw.", "partsFreed": [ "Yoke retaining screw" ] }, { "n": 5, "instruction": "Draw the yoke and cylinder assembly forward and out of the frame as a unit.", "partsFreed": [ "Yoke and cylinder assembly" ] }, { "n": 6, "instruction": "Clean the yoke bearing surfaces and the inside of the cylinder's bore, then reverse the order to reassemble." }, { "n": 7, "instruction": "Go no further. Removing the sideplate to reach the lockwork is genuinely gunsmith territory, and prying it off rather than tapping the grip frame will bend it." } ] } ] }, { "id": "refinish", "title": "Refinish", "components": [ { "name": "Yoke retaining screw", "procedure": "yoke-removal", "level": "detail-strip", "step": 4 }, { "name": "Yoke and cylinder assembly", "procedure": "yoke-removal", "level": "detail-strip", "step": 5 } ], "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 19 Classic, 4.25in, no internal lock, SKU 14046", "note": null, "source": { "title": "Smith & Wesson Model 19 Classic (No Internal Lock) — product specifications, SKU 14046", "publisher": "Smith & Wesson Brands, Inc.", "reliability": "primary", "url": "https://www.smith-wesson.com/product/model-19-classic-no-internal-lock", "page": null, "pdfPage": null, "pageUrl": null, "quote": "FRAME MATERIAL … CARBON STEEL … COLOR/FINISH … BLUED" } }, { "component": "Grips", "material": "WOOD", "finish": null, "appliesTo": "Model 19 Classic, 4.25in, no internal lock, SKU 14046", "note": null, "source": { "title": "Smith & Wesson Model 19 Classic (No Internal Lock) — product specifications, SKU 14046", "publisher": "Smith & Wesson Brands, Inc.", "reliability": "primary", "url": "https://www.smith-wesson.com/product/model-19-classic-no-internal-lock", "page": null, "pdfPage": null, "pageUrl": null, "quote": "GRIP … WOOD" } } ], "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": "yoke-removal", "title": "Yoke and cylinder removal (not documented by S&W)", "configuration": false, "steps": null, "instruction": "Reverse the steps of \"Yoke and cylinder removal (not documented by S&W)\"." }, { "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, then tighten it snugly with the correct screwdriver.", "warning": "Do not overtighten." }, { "n": 3, "instruction": "Close the cylinder gently by hand.", "warning": "Never flick the cylinder closed — it springs the yoke 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)) \"We recommend the use of a thread adhesive on the base mounting screws.\" (Optical Sight Mounts - For S&W Revolvers that have an adjustable rear sight (p/n 3016650, REV 10/16/2025), linked from smith-wesson.com revolver red-dot mount product pages, p. 1)" }, { "id": "function-check", "title": "Function check", "checks": [ "Verify every chamber is 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 a clean hammer fall.", "Cycle the action in double action through every chamber and confirm the cylinder indexes and locks each time.", "Confirm the cylinder latches closed securely and the release frees it cleanly.", "Check that cylinder endshake is minimal and 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-b45558", "title": "Optical Sight Mounts - For S&W Revolvers that have an adjustable rear sight (p/n 3016650, REV 10/16/2025), linked from smith-wesson.com revolver red-dot mount product pages", "publisher": "Smith & Wesson", "reliability": "primary", "url": "https://smith-wesson.canto.com/direct/document/lv4rggiir1727cndbc5bck1356/y4sYs1fNQHwoZBJ6DnA9ZXlMumM/original?content-type=application%2Fpdf", "accessed": "2026-09-27" }, { "n": 4, "id": "smith-wesson-specs-b146e1", "title": "Smith & Wesson Model 19 Classic (No Internal Lock) — product specifications, SKU 14046", "publisher": "Smith & Wesson Brands, Inc.", "reliability": "primary", "url": "https://www.smith-wesson.com/product/model-19-classic-no-internal-lock", "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-8b360853", "title": "My experience installing a Wolff spring kit", "publisher": "Smith & Wesson Forum", "reliability": "anecdotal", "url": "https://smith-wessonforum.com/threads/my-experience-installing-a-wolff-spring-kit.222810", "accessed": "2026-10-29" }, { "n": 9, "id": "tier-4088b2f4", "title": "Smith & Wesson .357 Combat Magnum Model No. 19 - factory Parts List sheet (scanned image; exploded view at SW19.jpg)", "publisher": "Smith & Wesson (factory sheet), scan hosted by CFN Parts (cfnparts.com Model 19 category page, 'Click Here To See - Parts List')", "reliability": "primary", "url": "https://cfnparts.com/image/catalog/products/data/Instruction%20Manuals/SmithWesson/SW19PL.jpg", "accessed": "2026-10-29" } ] }