Aero Precision Precision Ar15 Complete Upper 20" Carbine 5.56/223 APAR505611 815421022285

This AR15 Complete Upper is the same upper receiver used in our AERO M16A4 Special Edition Complete Rifle and 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