This complete upper receiver incudes an HBAR profile barrel that is laser marked "HBAR".
Includes:
- M4E1 Enhanced Assembled Upper Receiver
- 15" Enhanced M-LOK Handguard
- 16" 5.56 HBAR Barrel
- Low Profile Gas Block and Mid-Length Gas Tube
- AR15 A2 Birdcage Flash Hider
- Product comes assembled
- This complete upper does not include BCG or Charging Handle. These products may be selected as add-ons under the Finish Your Build tab
- 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
- Barrel nut and wrench are included
- 1pc free float 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
- Quick disconnect sling socket at the 3, 6 and 9 o'clock positions
- Additional milling along flats to aid with gripping and add visual appeal
- New profile for the continuous picatinny top rail
- 5.56 Nato 16" Barrel, 1/7 twist, 4150 CrMoV, QPQ, gas port drilled
- .750 gas block journal
- Mid-Length Gas System
- M4 Feed Ramp Extension
- HP and MPI tested
- Standard A2 flash hider
M4E1 Upper Features:
Gen 2 Enhanced Handguard Features:
16" 5.56 HBAR Barrel
| Shipping to FFL Dealer Required | No |
|---|---|
| Made In America? | Yes |
| FFL SOT Shipping Required | No |
| Platform | AR15 |
| Series | M4E1 |
| Caliber | 5.56 NATO |
| Barrel Length | 16" |
| Select Your Finish | Magpul FDE Cerakote |
| Weight(s) | - |
| Other | N/A |