Aero Precision M5 Assembled Upper Receiver, .308 Win, Black Anodized - APAR308503AC

This is an assembled upper receiver for the Aero Precision M5 platform, chambered in .308 Winchester and constructed from 7075-T6 aluminum with black hard coat anodizing. It comes with port door and forward assist hardware preinstalled, features M4 feedramps, laser-engraved T-marks, and DPMS high profile tang, making it ready for standard .308 components.