{"product_id":"sw-z-frame-governor-strain-screw-round-butt-used-zgov172","title":"Smith \u0026 Wesson Z Frame Governor Strain Screw Round Butt Used - ZGOV172","description":"\u003ch2\u003eSmith \u0026amp; Wesson Z Frame Governor Strain Screw Round Butt – Part# ZGOV172\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eCondition:\u003c\/strong\u003e Used – Good Working Condition\u003cbr\u003e\u003cstrong\u003eGrip Frame:\u003c\/strong\u003e Round Butt\u003cbr\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e ZGOV172\u003c\/p\u003e\u003cp\u003eThe strain screw threads into the bottom of the grip frame on the Smith \u0026amp; Wesson Governor revolver to secure the mainspring (hammer spring) in place. 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 across all three supported calibers. This genuine OEM factory part has been inspected and is in good working condition.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eNote: Professional gunsmith installation recommended. 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\u003eZ Frame\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003ctd\u003eGovernor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCaliber\u003c\/th\u003e\n\u003ctd\u003e.45 Long Colt \/ .45 ACP \/ .410 Bore\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\u003eGrip Frame\u003c\/th\u003e\n\u003ctd\u003eRound Butt\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003ctd\u003eZGOV172\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\u003eGovernor (Round Butt)\u003c\/td\u003e\n\u003ctd\u003eZ Frame\u003c\/td\u003e\n\u003ctd\u003e.45 Long Colt \/ .45 ACP \/ .410 Bore\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 is for the round butt Governor grip frame. If unsure of your grip frame style or variant, contact us with your serial number.\u003c\/em\u003e\u003c\/p\u003e","brand":"Smith \u0026 Wesson","offers":[{"title":"Default Title","offer_id":41054037344314,"sku":"ZGOV172","price":6.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1423\/2020\/files\/DSC08654.jpg?v=1760545403","url":"https:\/\/usagunsandgear.com\/products\/sw-z-frame-governor-strain-screw-round-butt-used-zgov172","provider":"USA Guns And Gear","version":"1.0","type":"link"}