RISE CMPLT UPPR 6MM ARC 18 PAT BRN

Rise Armament Complete Upper, 6MM ARC, 18 Stainless Steel Barrel, 1:7 Twist, 1/2x28 Threaded, Rifle Length Gas System, 15.25 Free Float M-LOK Handguard, Black Nitride Bolt Carrier Group, Ambidextrous Charging Handle, Cerakote Finish, Patriot Brown RA-6ARC-CU-BRN-18 The RISE 6mm ARC AR-15 Upper Receivers features an exceptionally accurate 18-inch 416R stainless steel threaded barrel.