Aero Precision M4E1 AR15 Upper Receiver Assembly - FDE
The M4E1 Threaded Upper Receiver features a new angular machined design that helps it stand apart from standard mil-spec upper receivers. 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.
The M4E1 Threaded Upper Receiver is designed to pair perfectly with the new M4E1 Lower Receiver, giving you a billet looking receiver set at a fraction of the billet price.
*New enhanced forging that gives the upper receiver a "billet look"
*.250 takedown pin holes
*Laser engraved T-marks
*Includes installed port door or forward assist
*FDE Cerakote finish