Parallax FFSSR 16" Billet Upper Receiver Build

Complete 16" Anonymous Arms 5.56 Upper Receiver with a carbine gas system and a Chromoly M4 Barrel with a 1/7 Twist. Parallax FFSSR 15" Super Slim Gen 2 rail and a KAK Industries Flash Can muzzle device. 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. Extended Latch charging handle included.