Aero Precision M4E1 Complete Upper 16" 5.56 Mid-Length - Black
UPPER FEATURES
- Forged from 7075 T6 aluminum
- Precision machined to M4E1 specs
- M4 feed-ramps
- Matte black hard coat anodized Mil 8625 Type 3 Class 2
- Laser engraved T-marks (Anodized only)
- Comes assembled, with port door and forward assist installed
- Accepts standard AR15/M16 components
- Hand-guard mounting platform is forged into the receiver
- Works with Aero Precision hand-guards but also fits most BAR-system hand-guards
- Barrel nut and wrench are included
HANDGUARD FEATURES - 1pc free float design
- Rail is Machined from 6061-T6 Aluminum
- Built in Anti-Rotation tabs
- Scalloped rails
- Continuous top rail
- 1.8" inside diameter fits most muzzle devices and 1.5" suppressors
- Compatible with low profile gas blocks
BARREL FEATURES - 5.56 Nato 16" Mid-length, 1/7 twist, 4150 CrMoV, QPQ, gas port drilled
- .750 gas block journal
- Mid-length gas system, .0785 gas port
- M4 Feed Ramp Extension
- HP and MPI tested
- Standard A2 flash hider
