{"product_id":"smith-wesson-l-frame-model-586-mainspring-used-oem-part-586141a-357-magnum","title":"Smith \u0026 Wesson L Frame Model 586 Mainspring Used OEM Part 586141A .357 Magnum","description":"\u003cp\u003e\u003cem\u003eThis listing is for the Smith \u0026amp; Wesson L Frame Model 586 Mainspring (Used OEM Part 586141A) only.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eUsed factory original Smith \u0026amp; Wesson mainspring (hammer spring) for the L Frame Model 586 revolver chambered in .357 Magnum. The mainspring provides the striking force for hammer operation — a weak, fatigued, or broken mainspring causes light primer strikes, misfires, or failure to fire in double-action mode. Removed from a functioning revolver and inspected prior to sale.\u003c\/p\u003e\n\u003ch4\u003ePart Details\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 586141A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlso Known As:\u003c\/strong\u003e Hammer Spring\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e Used — inspected and functional\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Smith \u0026amp; Wesson\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e L Frame\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCaliber:\u003c\/strong\u003e .357 Magnum\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eModel Compatibility\u003c\/h4\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eFrame\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eCaliber\u003c\/th\u003e\n\u003cth\u003eCompatible\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSmith \u0026amp; Wesson\u003c\/td\u003e\n\u003ctd\u003eL Frame\u003c\/td\u003e\n\u003ctd\u003eModel 586 (.357 Magnum) — all dash revisions (586 through 586-8)\u003c\/td\u003e\n\u003ctd\u003e.357 Magnum\u003c\/td\u003e\n\u003ctd\u003e✓ Yes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSmith \u0026amp; Wesson\u003c\/td\u003e\n\u003ctd\u003eL Frame\u003c\/td\u003e\n\u003ctd\u003eModel 581 (.357 Magnum fixed sight)\u003c\/td\u003e\n\u003ctd\u003e.357 Magnum\u003c\/td\u003e\n\u003ctd\u003eVerify before ordering\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSmith \u0026amp; Wesson\u003c\/td\u003e\n\u003ctd\u003eL Frame\u003c\/td\u003e\n\u003ctd\u003eOther L Frame models (386, 619, 620)\u003c\/td\u003e\n\u003ctd\u003eVarious\u003c\/td\u003e\n\u003ctd\u003eVerify before ordering\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSmith \u0026amp; Wesson\u003c\/td\u003e\n\u003ctd\u003eK \/ N \/ X Frame\u003c\/td\u003e\n\u003ctd\u003eAll\u003c\/td\u003e\n\u003ctd\u003eVarious\u003c\/td\u003e\n\u003ctd\u003e✗ No — different frame size\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cem\u003eMainsprings can weaken over time, causing light primer strikes and misfires. Verify your model number before ordering. Contact us with fitment questions.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch4\u003eInstallation Note\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eGunsmith Recommended:\u003c\/strong\u003e Mainspring replacement requires side plate removal and action disassembly. Installation and function testing by a qualified gunsmith is recommended.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWe only ship to addresses within the United States.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Smith \u0026 Wesson","offers":[{"title":"Default Title","offer_id":41700639703098,"sku":"586141A","price":8.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1423\/2020\/files\/DSCF0001_426ad5c4-5e6d-4b74-8772-33ac08e84738.jpg?v=1790261231","url":"https:\/\/usagunsandgear.com\/products\/smith-wesson-l-frame-model-586-mainspring-used-oem-part-586141a-357-magnum","provider":"USA Guns And Gear","version":"1.0","type":"link"}