DealRECEIVERS: Aero Precision X15 AR-15 Upper & Lower Receiver Set - 7075-T6 Aluminum - Type III Class II Hard Coat Anodized - Black BARREL: Black Dirt Rifleworks 10.5 Modern Profile 5.56 NATO Barrel, 4150 Steel, Heat Treated to RC 28-32 Hardness, Stress Relieved, Black Phosphate Finish, 1:8 Twist, Pistol Gas from Ground Zero Precision (Product BDR105PA) |