The Aero Precision AR-15 barreled upper receiver is built around the M4E1 Threaded upper receiver designed for use with standard barrel nut setups. The receiver is forged from 7075-T6 aluminum and precision machined to M4E1 specs to ensure proper fit with Mil-Spec and aftermarket parts. It is matte black hardcoat anodized and features laser engraved T-marks. This 16” .300 Blackout barreled upper comes with the Atlas R-One M-LOK free float handguard with a full length picatinny top rail and a slim 1.3" inner diameter.
Features:
- 16” .300 Blackout
- 4150 Chrome Moly Vanadium barrel
- HPT and MPI
- Black Nitride finish
- 1:7 twist rate
- Pistol length gas system
- M4E1 Threaded forged 7075-T6 upper
- Hardcoat anodized
- Laser engraved T-marks
- Scalloped picatinny top rail
- Built in anti-rotation tabs
- M-LOK slots
- Does not include BCG or charging handle
Barrel Coating - Salt Bath Nitride
Barrel Contour - Medium
Barrel Length - 16
Barrel Lining - Salt Bath Nitride
Barrel Material - 41V50 Chrome Moly Vanadium Steel
Brand - Aero Precision
Caliber Gauge - 300 Blackout
Color - Black
Finish - Hardcoat Anodized
Gas System Length - Pistol
Gas System Type - Direct Impingement
Handguard - 15 in Aero Precision ATLAS R-ONE M-LOK Rail
Muzzle Device - A2 Flash Hider
Thread Pattern - 5/8 X 24
Twist Rate - 1:7