Complete 16" 5.56 Forged Upper Receiver with a mid length gas system and a Chromoly 4142 Socom Barrel with a 1/7 Twist. Parallax 15" PXT Keymod rail and a 3 Prong DPMS Flash Hider. All Mil-spec, US Made parts including a Black Nitride Bolt Carrier Group and Barrel for longer life and durability. Solid steel low profile gas block. HPT (High Pressure Tested) and MPI (Magnetic Particle Inspected) Bolt and Barrel. Charging handle included.