Description
Aero Precision APAR600201AC M4E1 Enhanced Upper Receiver 223 Remington/5.56 NATO Black Hardcoat Anodizied
The M4E1 upper receiver is a one-piece design combining the handguard mounting platform with the upper itself. It is machined from 7075-T6 aluminum with, M4 feedramps, .250 takedown pin holes, and supports barrels with a diameter up to 1″. Included is a barrel nut and wrench, port door, and forward assist.
This model has a black hardcoat anodized finish.
NOTE: This upper is not piston-kit compatible.
| Manufacturer | Aero Precision |
| UPC | 815421022339 |
| Part # | APAR600201AC |
| Model | M4E1 |
| Caliber | 5.56 NATO |
| Sights | None, Optic Ready |
| Receiver Description | 7075-T6 Aluminum |
| Color/Finish | Black Hard Coat Anodized Black Hard Coat Anodized |
| Handguards | Free-Floating |
| SKU | AERO-APAR600201AC |
