{"product_id":"smith-wesson-revolver-l-frame-model-586-strain-screw-square-butt-586173","title":"Smith \u0026 Wesson L Frame Model 586 Strain Screw Square Butt - 586173","description":"\u003cp\u003e\u003cem\u003eThis listing is for the Smith \u0026amp; Wesson L Frame Model 586 Strain Screw, Square Butt (Used OEM Part 586173) only.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eUsed factory original Smith \u0026amp; Wesson strain screw for the L Frame Model 586 revolver chambered in .357 Magnum, finished in blue steel for square butt grip frames. The strain screw sits in the base of the grip frame and adjusts tension on the mainspring, which directly affects hammer fall force and primer ignition reliability. A loose or worn strain screw can cause light strikes and misfires. 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 586173\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Blue Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrip Frame:\u003c\/strong\u003e Square Butt\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, square butt) — 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\u003eRound butt L Frame models\u003c\/td\u003e\n\u003ctd\u003eVarious\u003c\/td\u003e\n\u003ctd\u003e✗ No — different grip frame\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 square butt L Frame models (581, 686, 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\u003eVerify your model number and grip frame style (square butt vs. round butt) before ordering. Contact us with fitment questions.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch4\u003eInstallation Note\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eStraightforward Install:\u003c\/strong\u003e The strain screw can typically be replaced by removing the grip panels, without full disassembly of the action. Basic gunsmithing tools 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":41700743610426,"sku":"586173","price":8.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1423\/2020\/files\/DSCF0001_e97ef270-0ba9-4459-8556-3aec173b499a.jpg?v=1790266240","url":"https:\/\/usagunsandgear.com\/products\/smith-wesson-revolver-l-frame-model-586-strain-screw-square-butt-586173","provider":"USA Guns And Gear","version":"1.0","type":"link"}