The M4E1 Threaded Upper Receiver features a new angular machined design that helps it stand apart from standard mil-spec upper receivers. This upper receiver features the same enhanced body profile as their M4E1 Enhanced Upper Receiver but is threaded to accept a standard AR15 barrel nut. It is forged from 7075-T6 Aluminum, precision machined to work with all mil-spec AR15 parts and includes the port door and forward assist pre-installed.
| UPC | 840014618330 |
|---|---|
| Manufacturer | Aero Precision |
| Manufacturer Part Number | APAR700220AC |
| Product Type | |
| Model | M4E1 |
