{"product_id":"smith-wesson-k-frame-model-65-strain-screw-round-butt-357-magnum-old-style-used-65172","title":"Smith \u0026 Wesson K Frame Model 65 Strain Screw Round Butt .265\" Spur .357 Magnum Old Style Used - 65172","description":"\u003ch2\u003eSmith \u0026amp; Wesson K Frame Model 65 Strain Screw — Used OEM Part\u003c\/h2\u003e\n\u003cp\u003eGenuine Smith \u0026amp; Wesson factory strain screw for the K Frame Model 65 revolver, chambered in .357 Magnum. Round butt configuration, .265\" spur, old style. Stainless steel construction. Removed from a used firearm and in good working condition. A direct OEM replacement for a worn, damaged, or missing strain screw.\u003c\/p\u003e\n\u003cp\u003eThe strain screw secures the mainspring (hammer spring) to the grip frame and directly influences trigger pull weight. Tightening increases spring tension for more reliable ignition; backing it out slightly can reduce trigger pull for target or competition use.\u003c\/p\u003e\n\u003ch3\u003ePart Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 65172\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e Used OEM\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e K Frame\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Model:\u003c\/strong\u003e Model 65 (.357 Magnum)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrip Frame:\u003c\/strong\u003e Round Butt\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpur:\u003c\/strong\u003e .265\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStyle:\u003c\/strong\u003e Old Style\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Stainless Steel\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility Note\u003c\/h3\u003e\n\u003cp\u003eThis is the old style strain screw for round butt K Frame Model 65 revolvers. Verify your grip frame configuration before ordering — round butt and square butt strain screws differ. To find your model number, swing out the cylinder and check the frame behind the yoke.\u003c\/p\u003e\n\u003ch3\u003eInstallation\u003c\/h3\u003e\n\u003cp\u003eStrain screw replacement is straightforward but disassembly of the grip is required. Installation by a qualified gunsmith is recommended.\u003c\/p\u003e\n\u003cp\u003eQuestions? Call or email us — we carry new, used, and new old stock S\u0026amp;W parts for the full K Frame lineup.\u003c\/p\u003e","brand":"Smith \u0026 Wesson","offers":[{"title":"Default Title","offer_id":40018110152762,"sku":"65172","price":6.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1423\/2020\/files\/DSC03694_a764ab6f-9e31-4b97-9de9-e5e20ddc151b.jpg?v=1692728735","url":"https:\/\/usagunsandgear.com\/products\/smith-wesson-k-frame-model-65-strain-screw-round-butt-357-magnum-old-style-used-65172","provider":"USA Guns And Gear","version":"1.0","type":"link"}