{"product_id":"sw-k-frame-cylinder-stop-spring-model-66-1-357-magnum-6681d","title":"S\u0026W K Frame Cylinder Stop \u0026 Spring Model 66-1 .357 Magnum Used 6681D","description":"\u003ch3\u003eGenuine Smith \u0026amp; Wesson K Frame Cylinder Stop \u0026amp; Spring Assembly\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eOEM Part Number:\u003c\/strong\u003e 6681D\u003cbr\u003e\u003cstrong\u003eCondition:\u003c\/strong\u003e Used, fully functional\u003cbr\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e Model 66-1 (.357 Magnum)\u003cbr\u003e\u003cstrong\u003eFrame Type:\u003c\/strong\u003e K Frame\u003cbr\u003e\u003cstrong\u003eDesign:\u003c\/strong\u003e Old-style configuration\u003c\/p\u003e\u003ch3\u003eProduct Details\u003c\/h3\u003e\u003cp\u003eThis authentic Smith \u0026amp; Wesson cylinder stop and spring assembly is a direct-fit replacement component for Model 66-1 revolvers chambered in .357 Magnum. The cylinder stop (also called the cylinder latch) is a critical timing component that locks the cylinder in proper alignment with the barrel during firing.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eGenuine Smith \u0026amp; Wesson OEM part – not aftermarket\u003c\/li\u003e\n\u003cli\u003eOld-style design specific to early Model 66-1 production\u003c\/li\u003e\n\u003cli\u003eIncludes both cylinder stop and factory spring\u003c\/li\u003e\n\u003cli\u003ePre-inspected used condition – ready to install\u003c\/li\u003e\n\u003cli\u003eEnsures proper cylinder lockup and timing\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cp\u003eThis part is designed for Smith \u0026amp; Wesson K Frame Model 66-1 revolvers. While many K Frame internal parts interchange across models, verify fitment for your specific variant before ordering. Not compatible with rimfire K Frame models (17, 18, 48, 617, 648, K22).\u003c\/p\u003e\u003ch3\u003eWhy Choose OEM Parts?\u003c\/h3\u003e\u003cp\u003eFactory Smith \u0026amp; Wesson components are manufactured to exact tolerances and heat-treated to precise specifications. Using genuine parts ensures reliable function, proper fit, and maintains the integrity of your firearm's timing and safety mechanisms.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eNote: Installation by a qualified gunsmith is recommended for proper fitting and timing verification.\u003c\/em\u003e\u003c\/p\u003e","brand":"Smith \u0026 Wesson","offers":[{"title":"Default Title","offer_id":41120738115642,"sku":"6681D","price":12.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1423\/2020\/files\/DSC09960.jpg?v=1767634735","url":"https:\/\/usagunsandgear.com\/products\/sw-k-frame-cylinder-stop-spring-model-66-1-357-magnum-6681d","provider":"USA Guns And Gear","version":"1.0","type":"link"}