Aero Precision M4E1 Assembled Upper Receiver, Flat Dark Earth - APAR700202AC

The M4E1 Assembled Upper Receiver is a forged 7075-T6 aluminum component designed for AR-15 platforms and features a threaded design to accept standard AR-15 barrel nuts. It includes an angular machined profile, pre-installed port door and forward assist, and is precision machined to work with all mil-spec AR-15 parts. The upper receiver comes finished in Cerakote Flat Dark Earth.