{"product_id":"cmmg-ar15-buffer-tube-castle-nut","title":"CMMG - Receiver Extension Nut for M4\/AR Castle Nut","description":"\u003cp\u003eThe \u003cb\u003eCMMG Receiver Extension Nut\u003c\/b\u003e is an essential component for securing the buffer tube to the lower receiver on M4 and AR platforms. Designed for the Mk4 platform, this nut ensures a stable and secure fit, contributing to the reliable performance of your firearm. With a \u003cb\u003ematte black finish\u003c\/b\u003e, it not only provides durability but also a sleek appearance.\u003c\/p\u003e\u003cp\u003eThis receiver extension nut is crafted to meet the demands of AR enthusiasts and professionals who require dependable parts for their firearms. Its compatibility with M4 and AR castle nuts makes it a versatile addition to your setup.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eKey Features\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003ePlatform:\u003c\/b\u003e Mk4\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eFinish:\u003c\/b\u003e Matte black\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCompatibility:\u003c\/b\u003e M4 \/ AR castle nuts\u003c\/li\u003e\n\u003cli\u003eEnsures a stable fit for the buffer tube\u003c\/li\u003e\n\u003cli\u003eEssential for reliable firearm performance\u003c\/li\u003e\n\u003cli\u003eDesigned for durability and sleek appearance\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cb\u003eSpecifications\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eSubCategory:\u003c\/b\u003e Long Gun Parts\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eColor:\u003c\/b\u003e Black\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eManufacturers Part Number:\u003c\/b\u003e 55CA9CB\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eProduct UPC:\u003c\/b\u003e 815835017426\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eModel:\u003c\/b\u003e Receiver Extension Nut\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"CMMG","offers":[{"title":"Default Title","offer_id":44945425563737,"sku":"RSR-CMMG55CA9CB","price":10.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/9860\/2329\/files\/cmmg_RSR-CMMG55CA9CB-1.jpg?v=1790387700","url":"https:\/\/mountainready.online\/products\/cmmg-ar15-buffer-tube-castle-nut","provider":"mountainready.online","version":"1.0","type":"link"}