{"product_id":"sw-k-frame-model-12-airweight-cylinder-stop-spring-blue-used-oem-1281","title":"Smith \u0026 Wesson K Frame Model 12 Airweight Cylinder Stop \u0026 Spring Blue | Used OEM Part 1281","description":"\u003ch2\u003eSmith \u0026amp; Wesson K Frame Model 12 Airweight Cylinder Stop \u0026amp; Spring (Blue) — Used OEM Part #1281\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eThis listing is for one (1) used Smith \u0026amp; Wesson OEM cylinder stop and spring set, Part #1281, for the K Frame Model 12 Airweight revolver in .38 Special. Old style, blue steel. Good used condition.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe cylinder stop (also called the bolt or cylinder latch) is the spring-loaded component that indexes into the cylinder’s locking notches, stopping the cylinder precisely at each chamber position and holding it in alignment with the barrel during firing. The cylinder stop spring drives the bolt upward into the notch. Together they are essential for proper cylinder indexing and lockup. A worn or broken cylinder stop or spring results in cylinder over-rotation, misalignment with the barrel, or failure to lock. This is a genuine Smith \u0026amp; Wesson factory OEM part set in the old style configuration, blue steel finish.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eCondition Note:\u003c\/strong\u003e This is a \u003cstrong\u003eused\u003c\/strong\u003e part in good condition. Some wear consistent with use and age is present. Blue finish may show wear. Professional fitting and installation by a qualified gunsmith is recommended; cylinder timing and lockup must be verified after installation.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eStyle Note:\u003c\/strong\u003e This is the \u003cstrong\u003eold style\u003c\/strong\u003e cylinder stop design. Verify your Model 12’s production era before ordering, as newer-production K Frame models may use a different cylinder stop configuration.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Smith \u0026amp; Wesson\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 1281\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e Used — Good\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Blue Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStyle:\u003c\/strong\u003e Old Style\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e K Frame (Airweight)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCaliber:\u003c\/strong\u003e .38 Special\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eContents:\u003c\/strong\u003e Cylinder Stop (bolt) + Cylinder Stop Spring\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Type:\u003c\/strong\u003e Cylinder Stop \u0026amp; Spring\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eModel Compatibility\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eCaliber\u003c\/th\u003e\n\u003cth\u003eFrame Type\u003c\/th\u003e\n\u003cth\u003eNotes\u003c\/th\u003e\n\u003cth\u003eCompatible\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel 12 (all variants)\u003c\/td\u003e\n\u003ctd\u003e.38 Special\u003c\/td\u003e\n\u003ctd\u003eK Frame Airweight (alloy)\u003c\/td\u003e\n\u003ctd\u003eOld style confirmed\u003c\/td\u003e\n\u003ctd\u003e✓ Yes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel 10 (old style)\u003c\/td\u003e\n\u003ctd\u003e.38 Special\u003c\/td\u003e\n\u003ctd\u003eK Frame Steel\u003c\/td\u003e\n\u003ctd\u003eSame K Frame action — verify style\u003c\/td\u003e\n\u003ctd\u003e✗ Verify — confirm old style match\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel 64 (old style)\u003c\/td\u003e\n\u003ctd\u003e.38 Special\u003c\/td\u003e\n\u003ctd\u003eK Frame Stainless\u003c\/td\u003e\n\u003ctd\u003eStainless frame — verify stop style\u003c\/td\u003e\n\u003ctd\u003e✗ Verify — confirm old style match\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel 13 \/ 19 \/ 65 \/ 66\u003c\/td\u003e\n\u003ctd\u003e.357 Magnum\u003c\/td\u003e\n\u003ctd\u003eK Frame Steel\/SS\u003c\/td\u003e\n\u003ctd\u003eSame K Frame action — verify style\u003c\/td\u003e\n\u003ctd\u003e✗ Verify — confirm old style match\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eL \/ N \/ J Frame revolvers\u003c\/td\u003e\n\u003ctd\u003eVarious\u003c\/td\u003e\n\u003ctd\u003eL, N, J Frame\u003c\/td\u003e\n\u003ctd\u003eDifferent frame size\u003c\/td\u003e\n\u003ctd\u003e✗ No — different cylinder stop design\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cem\u003eNote: Part #1281 (old style, blue) is confirmed for the K Frame Model 12 Airweight. Other K Frame models using the old style cylinder stop may be compatible — verify before ordering. Newer MIM-era K Frame models use a different cylinder stop. L, N, and J Frame revolvers are NOT compatible. Gunsmith verification of cylinder timing and lockup is required after installation.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003cp\u003ePlease contact us with any questions before purchasing. We are happy to help confirm compatibility with your specific revolver.\u003c\/p\u003e","brand":"Smith \u0026 Wesson","offers":[{"title":"Default Title","offer_id":40018089082938,"sku":"1281","price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1423\/2020\/files\/DSC00122_87030e8f-9fe8-4b99-812b-a9853835c1bb.jpg?v=1783006281","url":"https:\/\/usagunsandgear.com\/products\/sw-k-frame-model-12-airweight-cylinder-stop-spring-blue-used-oem-1281","provider":"USA Guns And Gear","version":"1.0","type":"link"}