{"product_id":"sw-j-frame-pre-model-36-main-spring-stirrup-38-special-used-j3642","title":"Smith \u0026 Wesson J Frame Pre-Model 36 Chief's Special Main Spring \u0026 Stirrup .38 Special Used","description":"\u003cp\u003e\u003cstrong\u003eSmith \u0026amp; Wesson J Frame Pre-Model 36 Chief's Special Main Spring \u0026amp; Stirrup .38 Special — Used (Part# J3642)\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis listing is for one used Smith \u0026amp; Wesson J Frame Pre-Model 36 (Chief's Special) main spring and stirrup assembly chambered in .38 Special. This is an OEM factory part in used condition, removed from a functioning firearm. The main spring (hammer spring) powers the hammer, and the stirrup links the spring to the hammer — both are critical to reliable double- and single-action operation.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e⚠️ Professional installation recommended.\u003c\/strong\u003e Disassembly and reassembly of the firearm is required to replace this part. Some parts may require fitting by a qualified gunsmith.\u003c\/p\u003e\u003ch2\u003eCompatibility\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eFrame\u003c\/th\u003e\n\u003cth\u003eCaliber\u003c\/th\u003e\n\u003cth\u003eEra\u003c\/th\u003e\n\u003cth\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\u003ctr\u003e\n\u003ctd\u003ePre-Model 36 (Chief's Special)\u003c\/td\u003e\n\u003ctd\u003eJ Frame\u003c\/td\u003e\n\u003ctd\u003e.38 Special\u003c\/td\u003e\n\u003ctd\u003ePre-1957\u003c\/td\u003e\n\u003ctd\u003eConfirmed fit\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003e\u003cem\u003eModel numbers began in 1957–58. If your revolver has no model number stamped behind the yoke, it is a Pre-Model. Contact us with your serial number if you need help confirming compatibility.\u003c\/em\u003e\u003c\/p\u003e\u003ch2\u003ePart Details\u003c\/h2\u003e\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 J3642\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Type:\u003c\/strong\u003e Main Spring \u0026amp; Stirrup\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrame Size:\u003c\/strong\u003e J Frame\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCaliber:\u003c\/strong\u003e .38 Special\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e Used (OEM)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eQuestions? Call or email us — we're happy to help confirm compatibility for your specific revolver.\u003c\/p\u003e","brand":"Smith \u0026 Wesson","offers":[{"title":"Default Title","offer_id":39378082791482,"sku":"J3642","price":12.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1423\/2020\/products\/DSC03144_b8d2c504-d52b-4614-8d08-12f74a229e04.jpg?v=1786065727","url":"https:\/\/usagunsandgear.com\/products\/sw-j-frame-pre-model-36-main-spring-stirrup-38-special-used-j3642","provider":"USA Guns And Gear","version":"1.0","type":"link"}