{"product_id":"tandemkross-cornerstone-safety-thumb-ledge-ruger-mark-iv-22-45-black","title":"Tandemkross Cornerstone Safety Thumb Ledge - Ruger Mark IV 22\/45 - Black","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eTandemkross Cornerstone\u003c\/span\u003e\u003c\/strong\u003e Safety Thumb Ledge is an oversized, 1911-style upgrade designed for the \u003cstrong\u003eRuger Mark IV 22\/45\u003c\/strong\u003e pistol. Machined from \u003cstrong\u003eanodized aluminum\u003c\/strong\u003e with a low-glare \u003cstrong\u003eblack\u003c\/strong\u003e finish, this drop-in thumb ledge provides a wider, more positive surface for the shooter's thumb to disengage the factory safety without modifying the safety's internals.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eBy extending the factory safety lever with a 1911-style shelf, the \u003cstrong\u003eCornerstone\u003c\/strong\u003e helps prevent accidental safety engagement while shooting and promotes a consistent, repeatable high-hand grip for improved recoil control and faster target transitions. The straightforward installation uses the included spacer to set proper clearance, making it an easy, no-gunsmithing upgrade for target shooters, plinkers, and competitive rimfire enthusiasts.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eDesigned and built by \u003cstrong\u003eTandemkross\u003c\/strong\u003e, this aftermarket safety thumb ledge is purpose-built for the Ruger \u003cstrong\u003eMark IV 22\/45\u003c\/strong\u003e pistol platform. Whether you're running a competition rig or just want a more positive safety feel on your favorite range gun, the \u003cstrong\u003eCornerstone\u003c\/strong\u003e delivers an immediate ergonomic improvement that complements the 22\/45's target-pistol heritage.\u003c\/span\u003e\u003c\/p\u003e","brand":"Tandemkross","offers":[{"title":"Default Title","offer_id":55083983765826,"sku":"199017","price":38.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/hires_e67ed817-389e-4636-aeb3-e184d0ee8e07.png?v=1784768557","url":"https:\/\/centerfiresystems.com\/products\/tandemkross-cornerstone-safety-thumb-ledge-ruger-mark-iv-22-45-black","provider":"Centerfire Systems","version":"1.0","type":"link"}