16" 5.56 NATO Cold Hammer Forged AR-15 Upper and Lower Parts Build Kit

16" 5.56 NATO Cold Hammer Forged Rifle Build Kit The 16" 5.56 NATO Cold Hammer Forged Rifle Build Kit comes with the 16" Cold Hammer Forged Upper complete with M16 Black Nitride Bolt Carrier group and Mil-Spec charging handle. Also include is our standard AR 15 Lower Build Kit, which includes all the parts required to finish your AR 15 or variant lower receiver. These kits are 100% American Made and come with our limited Lifetime Warranty. Kit Includes: 16" 5.56 Spikes Tacical Cold Hammer Forged Barrel M16 Black Nitride Bolt Carrier Group Mil-Spec AR 15 Charging Handle Mil-Spec Buffer Tube Assembly 6-position 6061-T6 Aluminum Receiver Extension 3 oz Buffer Castle Nut & End Plate Carbine Spring M4 6 Position Stock AR 15 Lower Parts Kit Does Not Include Lower Receiver