{"product_id":"sw-k-frame-model-10-strain-screw-round-butt-blue-steel-used-10173a","title":"Smith \u0026 Wesson K Frame Model 10 Strain Screw Round Butt Blue Steel Used - 10173A","description":"\u003ch2\u003eSmith \u0026amp; Wesson K Frame Model 10 Strain Screw Round Butt Blue Steel – Part# 10173A\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eCondition:\u003c\/strong\u003e Used – Good Working Condition\u003cbr\u003e\u003cstrong\u003eMaterial:\u003c\/strong\u003e Blue Steel\u003cbr\u003e\u003cstrong\u003eGrip Frame:\u003c\/strong\u003e Round Butt\u003cbr\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e 10173A\u003c\/p\u003e\u003cp\u003eThe strain screw threads into the bottom of the grip frame to secure the mainspring (hammer spring) in place on the Smith \u0026amp; Wesson K Frame Model 10 revolver. It also allows for trigger pull adjustment — turning the screw in or out changes tension on the mainspring, affecting trigger pull weight and hammer strike force. Proper adjustment ensures reliable ignition while maintaining a comfortable trigger pull. This genuine OEM factory part has been inspected and is in good working condition.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eInstallation tip: Access through the bottom of the grip frame after removing grips. Too loose may cause light primer strikes; too tight may cause excessive trigger pull weight.\u003c\/em\u003e\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eFrame\u003c\/th\u003e\n\u003ctd\u003eK Frame\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCaliber\u003c\/th\u003e\n\u003ctd\u003e.38 Special\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePart Type\u003c\/th\u003e\n\u003ctd\u003eStrain Screw\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003ctd\u003e10173A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eGrip Frame\u003c\/th\u003e\n\u003ctd\u003eRound Butt\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFinish\u003c\/th\u003e\n\u003ctd\u003eBlue Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOEM\u003c\/th\u003e\n\u003ctd\u003eGenuine Smith \u0026amp; Wesson Factory Part\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003ctd\u003eUsed – Good Working Condition\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eModel Compatibility\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eFrame\u003c\/th\u003e\n\u003cth\u003eCaliber\u003c\/th\u003e\n\u003cth\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel 10 (Round Butt)\u003c\/td\u003e\n\u003ctd\u003eK Frame\u003c\/td\u003e\n\u003ctd\u003e.38 Special\u003c\/td\u003e\n\u003ctd\u003eDirect fit – confirmed compatible\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cem\u003eNote: This strain screw fits round butt grip frames only. Square butt Model 10 variants require a different strain screw. If unsure of your grip frame style, contact us with your model and serial number.\u003c\/em\u003e\u003c\/p\u003e","brand":"Smith \u0026 Wesson","offers":[{"title":"Default Title","offer_id":41060233543738,"sku":"10173A","price":4.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1423\/2020\/files\/DSC08881.jpg?v=1760728536","url":"https:\/\/usagunsandgear.com\/products\/sw-k-frame-model-10-strain-screw-round-butt-blue-steel-used-10173a","provider":"USA Guns And Gear","version":"1.0","type":"link"}