{"product_id":"iver-johnson-ij1911msh-1911-mainspring-housing-45-acp-black-steel","title":"Iver Johnson IJ1911MSH 1911 Mainspring Housing 45 ACP Black Steel","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eIver Johnson 1911 Mainspring Housing\u003c\/span\u003e\u003c\/strong\u003e is a direct-fit replacement mainspring housing for \u003cstrong\u003e1911\u003c\/strong\u003e-pattern pistols chambered in \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003e45 ACP\u003c\/span\u003e\u003c\/strong\u003e. Machined from \u003cstrong\u003esteel\u003c\/strong\u003e and finished in a durable \u003cstrong\u003eblack oxide\u003c\/strong\u003e coating, the housing matches the factory profile of a Government-size 1911 frame and accepts the standard 1911 mainspring and mainspring housing pin.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eSold as a single service part under Iver Johnson part number \u003cstrong\u003eIJ1911MSH\u003c\/strong\u003e, this mainspring housing lets a builder or gunsmith replace a worn, damaged, or upgraded housing on any 1911-pattern pistol. The low-glare \u003cstrong\u003eblack oxide\u003c\/strong\u003e finish is wear resistant and pairs cleanly with both blued and parkerized Government frames, and the part installs with standard hand tools using the existing mainspring housing pin. Overall dimensions measure \u003cstrong\u003e2.30 x 2.30 x 5.85 inches\u003c\/strong\u003e.\u003c\/span\u003e\u003c\/p\u003e","brand":"Iver Johnson Arms","offers":[{"title":"Default Title","offer_id":55302543049026,"sku":"1911MSH","price":25.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/alt_a5f0b13c-5a9f-4cee-be4b-3dee09f6b6ec.jpg?v=1785119084","url":"https:\/\/centerfiresystems.com\/products\/iver-johnson-ij1911msh-1911-mainspring-housing-45-acp-black-steel","provider":"Centerfire Systems","version":"1.0","type":"link"}