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This Aero Precision Barreled AR-15 Upper Receiver is designed to look similar to an M16A4 upper. It features a 20” 5.56 heavy barrel with a rifle length gas system and a 1:7 twist rate. The barrel is forged from 4150 Chrome Moly Vanadium steel and salt bath Nitride finished for corrosion resistance. The front sight post gas block is pinned and features a bayonet lug and sling slot. The standard M4 upper receiver doesn’t come with a charging handle or bolt carrier group but does have a clamp on carry handle that can be removed if you prefer optics. The carry handle features a fully adjustable rear sight.
Features:
Standard M4 upper with clamp on carry handle
20” barrel chambered in 5.56
Rifle length gas system
1:7 twist rate
4150 Chrome Moly Vanadium steel with Nitride finish
A2 flash hider and handguard
Pinned front sight gas block
This Aero Precision Barreled AR-15 Upper Receiver is designed to look similar to an M16A4 upper. It features a 20” 5.56 heavy barrel with a rifle length gas system and a 1:7 twist rate. The barrel is forged from 4150 Chrome Moly Vanadium steel and salt bath Nitride finished for corrosion resistance. The front sight post gas block is pinned and features a bayonet lug and sling slot. The standard M4 upper receiver doesn’t come with a charging handle or bolt carrier group but does have a clamp on carry handle that can be removed if you prefer optics. The carry handle features a fully adjustable rear sight.
Features:
Standard M4 upper with clamp on carry handle
20” barrel chambered in 5.56
Rifle length gas system
1:7 twist rate
4150 Chrome Moly Vanadium steel with Nitride finish
A2 flash hider and handguard
Pinned front sight gas block