Aero Precision AR15 20″ 5.56 M16A4 Upper w/ Pinned FSB & A2 Handguard – Black

This AR15A4 Complete Upper features a 20″ 5.56 Barrel w/ Pinned FSB, A2 Handguard and A2 Detachable Carry Handle.

Upper 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.