{"product_id":"sw-j-frame-model-642-2-airweight-firing-pin-spring-38-special-p-642n","title":"S\u0026W J Frame Model 642-2 Airweight Firing Pin Spring .38 Special +P – Part# 642N","description":"\u003ch2\u003eSmith \u0026amp; Wesson J Frame Model 642-2 Airweight Firing Pin Spring – Stainless Steel\u003c\/h2\u003e\n\n\u003cp\u003eRestore reliable primer ignition on your Model 642-2 Airweight with this factory-original firing pin spring. The firing pin spring returns the firing pin to its resting position after each shot, preventing the pin from resting against the primer between rounds — a weak or broken spring causes the firing pin to drag, which can result in light strikes, misfires, or in extreme cases, an out-of-battery discharge. This stainless steel spring is the correct factory replacement for the J Frame Model 642-2 chambered in .38 S\u0026amp;W Special +P.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 642N\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Smith \u0026amp; Wesson J Frame Model 642-2 Airweight\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCaliber:\u003c\/strong\u003e .38 S\u0026amp;W Special +P\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Type:\u003c\/strong\u003e Firing Pin Spring (Firing Pin Return Spring)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Stainless Steel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e Used (factory original)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Gunsmith fitting recommended\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFactory Replacement Quality\u003c\/h3\u003e\n\u003cp\u003eGenuine Smith \u0026amp; Wesson factory part manufactured to the exact specifications and tolerances of the original — same spring rate, same dimensions, same reliable firing pin return function. No aftermarket substitutes.\u003c\/p\u003e\n\n\u003ch3\u003eFinding Your Model Number\u003c\/h3\u003e\n\u003cp\u003eSwing out the cylinder and check behind the yoke on the frame. Model numbers have been stamped there since 1957–58. If your revolver has no model number, it predates that era — contact us with the serial number and we'll help identify the correct part.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQuestions?\u003c\/strong\u003e Call or email us — we're happy to help you get the right part the first time.\u003c\/p\u003e","brand":"Smith \u0026 Wesson","offers":[{"title":"Default Title","offer_id":40852525514810,"sku":null,"price":6.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1423\/2020\/files\/s-l960_27_c0fa080f-8228-4013-8d85-bc9b16b48c24.webp?v=1745257560","url":"https:\/\/usagunsandgear.com\/products\/sw-j-frame-model-642-2-airweight-firing-pin-spring-38-special-p-642n","provider":"USA Guns And Gear","version":"1.0","type":"link"}