Aero Precision AR15 Complete Upper, 223 Remington/556NATO, 20" Barrel, 1:7 Twist, A2 Detachable Carry Handle and A2 Front Sight Block, Rifle Length Gas System, Anodized Finish, Black, Does Not Include BCG or Charging Handle APAR505611

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.

• 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