USED – Aero Precision M4E1 Threaded Assembled Upper Receiver for AR-15
The M4E1 Threaded Upper Receiver features a new angular machined design that helps it stand apart from standard mil-spec upper receivers.
- New enhanced forging that gives the upper receiver a “billet look”.
- New picatinny profile that blends seamlessly with our Enhanced and ATLAS Series Handguards.
- M4 Feedramps.
- .250 takedown pin holes.
- Includes threaded forward assist roll pin.
- Made In America.
- Platform: AR15.
- Material: Machined from 7075-T6 forged aluminum.
- Compatibility: Works with standard AR15/M16 components.
- Weight(s): 8.65 oz.
- Other: Barrel Nut Torque – 50 ft-lbs.
- Includes port door and forward assist.