{"product_id":"smith-wesson-k-frame-cylinder-stop-spring-models-17-18-1781c","title":"Smith \u0026 Wesson K Frame Cylinder Stop \u0026 Spring - Models 17 \u0026 18 - Old Style - Used - .22 LR 1781C","description":"\u003cp\u003e\u003cstrong\u003eFactory OEM Smith \u0026amp; Wesson K Frame Cylinder Stop \u0026amp; Spring\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e 1781C\u003cbr\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e K Frame Models 17 \u0026amp; 18\u003cbr\u003e\u003cstrong\u003eCaliber:\u003c\/strong\u003e .22 LR (Rimfire)\u003cbr\u003e\u003cstrong\u003eStyle:\u003c\/strong\u003e Old Style\u003cbr\u003e\u003cstrong\u003eCondition:\u003c\/strong\u003e Used\u003cbr\u003e\u003cstrong\u003eFrame Size:\u003c\/strong\u003e K Frame\u003cbr\u003e\u003cstrong\u003eIncludes:\u003c\/strong\u003e Cylinder stop (bolt) and spring\u003c\/p\u003e\n\u003cp\u003eThis is an authentic Smith \u0026amp; Wesson factory cylinder stop (also called a bolt) with spring for K Frame Models 17 and 18 revolvers. The cylinder stop is a critical timing component that locks the cylinder in proper alignment with the barrel for safe firing.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine Smith \u0026amp; Wesson factory part\u003c\/li\u003e\n\u003cli\u003eComplete assembly with cylinder stop and spring\u003c\/li\u003e\n\u003cli\u003eOld-style configuration for early production models\u003c\/li\u003e\n\u003cli\u003eUsed condition with functional operation\u003c\/li\u003e\n\u003cli\u003eDirect replacement for worn or damaged cylinder stops\u003c\/li\u003e\n\u003cli\u003eEssential for proper cylinder timing and lockup\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCompatibility Note:\u003c\/strong\u003e The cylinder stop (bolt) and spring are interchangeable across all K Frame models, both rimfire and centerfire. This part will fit Models 10, 12, 13, 14, 15, 16, 17, 18, 19, 48, 64, 65, 66, 67, 617, and 648. The \"old style\" designation refers to earlier production variants.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFunction:\u003c\/strong\u003e The cylinder stop engages notches in the cylinder to lock it in proper alignment with the barrel. Proper timing is critical for accuracy and safety - a worn or damaged cylinder stop can cause cylinder misalignment and dangerous malfunctions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInstallation:\u003c\/strong\u003e Professional gunsmith installation required. The cylinder stop requires internal disassembly and proper timing adjustment to ensure safe operation. Improper installation can result in cylinder misalignment and dangerous malfunctions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow to Identify Your Smith \u0026amp; Wesson Model:\u003c\/strong\u003e Swing out the cylinder and check behind the yoke on the frame for the model number. Model numbers began in 1957-58. If you need assistance identifying your revolver or confirming compatibility, contact us with your serial number.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQuestions?\u003c\/strong\u003e Contact us at \u003ca href=\"mailto:sales@usagunsandgear.com\"\u003esales@usagunsandgear.com\u003c\/a\u003e or call 770-544-8075. We specialize in Smith \u0026amp; Wesson pistol and revolver parts - new, used, NOS, and refurbished.\u003c\/p\u003e","brand":"Smith and Wesson","offers":[{"title":"Default Title","offer_id":39638868262970,"sku":"1781C","price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1423\/2020\/products\/DSC01008_bf8c6c47-d2ca-44c1-bdae-09533e442a5f.jpg?v=1656606501","url":"https:\/\/usagunsandgear.com\/products\/smith-wesson-k-frame-cylinder-stop-spring-models-17-18-1781c","provider":"USA Guns And Gear","version":"1.0","type":"link"}