Complete Upper 5.56 20" A2 Black

This AR15 Complete Upper is the same upper receiver used in the AERO M16A4 Special Edition Complete Rifle and features a 20" 5.56 Barrel with Pinned FSB, A2 Handguard and A2 Detachable Carry Handle.Features : Upper: Standard M4 Upper Receiver ,Barrel: 20" 5.56 NATO, Rifle Length, 1:7 Twist, 4150 Chrome Moly Vanadium, QPQ corrosion resistant finish, Sights: A2 Detachable Carry Handle and A2 Front Sight Block w/ Bayonet Lug Handguard: A2 Style Handguard, Rifle Length Gas System: Rifle Length Gas System Muzzle Device: Standard A2 Flash Hider This complete upper does not include a BCG or Charging Handle