Aero Precision M4E1 5.56mm M4 Carbine 16″ Barrel Complete Upper Receiver Features:
This Complete Upper includes our Gen 2 Enhanced Handguard! Key features include the addition of quick disconnect sling sockets, enhanced milling design for grip and visual appeal and a new profile for the picatinny top rail.
Aero Precision M4E1 5.56mm M4 Carbine 16″ Barrel Complete Upper Receiver Specifications:
- Caliber: 5.56x45mm NATO
- Barrel Length: 16 in
- Muzzle Device: A2 Flash Hider
- Gun Model: AR-15
- Forged from 7075 T6 aluminum
- Precision machined to M4E1 specs
- M4 feedramps
- Matte black hard coat anodized Mil 8625 Type 3 Class 2
- Laser engraved T-marks
- Comes assembled, with port door and forward assist installed
- Accepts standard AR15/M16 components
- Handguard mounting platform is forged into the receiver
- Works with Aero Precision handguards but also fits most BAR-system handguards
- 1pc free float handguard design
- Built in anti-rotation tabs
- Scalloped rails
- Continuous top rail
- 1.78″ inside diameter fits most muzzle devices and 1.5″ suppressors
- Compatible with low profile gas blocks
- 5.56 Nato 16″ Barrel, 1/7 twist, 4150 CrMoV, QPQ, gas port drilled
- .750 gas block journal
- Carbine length gas system, .0785 gas port
- M4 Feed Ramp Extension
- HP and MPI tested
- Standard A2 flash hider
