{"product_id":"fn-usa-uppers-fn-usa-fn-usa-fn-15-military-collector-series-m4-complete-upper-receiver-assembly-5-56mm-16-barrel-buy-at-faith-and-freedom-outdoors","title":"FN USA Uppers FN USA FN USA FN 15 Military Collector Series M4 Complete Upper Receiver Assembly 5.56mm 16\" Barrel Buy At Faith And Freedom Outdoors","description":"\u003cp\u003eOwn a piece of firearm history from the makers of the world’s most battle-proven firearms. The FN 15® Military Collector Series M4 upper receiver assembly is an authentic reproduction of the original made to FN’s and the U.S. military’s exacting specifications. A 14.7-in. chrome-lined barrel is button-broached with a 1:7 twist rate the welded compensator brings the barrel length to 16-in. Cut with a 5.56x45mm NATO chamber to mate with the Carpenter 158 steel bolt each MIL-SPEC bolt carrier is high-pressure and magnetic particle tested for enduring reliability.\u003cbr\u003e \u003c\/p\u003e\u003cul\u003e\t\u003cli\u003e\n\u003cstrong\u003eCALIBER:\u003c\/strong\u003e 5.56x45mm\u003c\/li\u003e\t\u003cli\u003e\n\u003cstrong\u003eWEIGHT:\u003c\/strong\u003e 4.98 Lbs.\u003c\/li\u003e\t\u003cli\u003e\n\u003cstrong\u003eBARREL LENGTH:\u003c\/strong\u003e 16\"\u003c\/li\u003e\t\u003cli\u003e\n\u003cstrong\u003eOPERATION:\u003c\/strong\u003e DIRECT IMPINGEMENT CARBINE-LENGTH GAS SYSTEM\u003c\/li\u003e\t\u003cli\u003e\n\u003cstrong\u003eTWIST RATE:\u003c\/strong\u003e 1:7 RH\u003c\/li\u003e\t\u003cli\u003e\n\u003cstrong\u003eSIGHTS:\u003c\/strong\u003e A2-style front adjustable rear sight\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"FN USA","offers":[{"title":"Default Title","offer_id":48740543889651,"sku":"CH_RJ3631807","price":1661.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0790\/6403\/9667\/files\/fn-usa-uppers-15-military-collector-series-m4-complete-upper-receiver-855.webp?v=1777629093","url":"https:\/\/faithandfreedomoutdoors.com\/products\/fn-usa-uppers-fn-usa-fn-usa-fn-15-military-collector-series-m4-complete-upper-receiver-assembly-5-56mm-16-barrel-buy-at-faith-and-freedom-outdoors","provider":"Faith And Freedom Outdoors","version":"1.0","type":"link"}