{"product_id":"midwest-industries-carbine-length-ar15-upper-receiver-group-black-5-56-nato-10-5-barrel-9-5-m-lok-handguard","title":"Midwest Industries Carbine-Length AR15 Upper Receiver Group - Black | 5.56 NATO | 10.5\" Barrel | 9.5 M-LOK Handguard","description":"Features  Forged 7075 T6 Aluminum Upper Hard Coat Anodizing T-Markings on Receiver 10.5 inch Melonite Finish Barrel Threaded 1\/2x28 Chambered in 5.56 NATO 1\/7 Twist, 4150 Chrome Moly M4 feedramps Carbine Length Direct Impingement Gas System MI-CRM9.5 Combat Series M-LOK Handguard MI A2 Flash Hider  Weight 2lb 7.8oz.Overall Length 19\"Magpul(R) and M-LOK(TM) are trademarks of Magpul Industries CorpComplete Upper Receiver groups do not come standard with charging handles and bolt carrier groups.","brand":"Midwest Industries","offers":[{"title":"Default Title","offer_id":44685987184859,"sku":"MI-556CRM9-U","price":579.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/1072\/7131\/files\/179900681.webp?v=1738352686","url":"https:\/\/www.atcostammo.com\/products\/midwest-industries-carbine-length-ar15-upper-receiver-group-black-5-56-nato-10-5-barrel-9-5-m-lok-handguard","provider":"AtCostAmmo.com","version":"1.0","type":"link"}