Aero Precision

The AR15 Assembled Upper Receiver comes with the port door and forward assist already installed. Forged from 7075-T6 aluminum this assembled upper is precision machined to mil- spec M16/M4 specifications and features M4 feedramps. Match this upper with one of our AR15 lower receivers for a solid and dependable fit. - Features: - M4 Feedramps - .250 takedown pin holes - Laser engraved T-marks - Includes port door and forward assist - Includes: - AR15 Assembled Upper Receiver in Anodized Black