Quick view Aero Precision Aero Precision M5, Aero Apar308503ac .308 Upper Blk $211.64 $194.99 The m5.308 assembled upper receiver comes with both the port door and forward assist hardware preinstalled.Forged from 7075-t6 aluminum, this assembled upper is precision machined to accept standard.308 components and is the ideal upper for your big bore... Compare Add to Cart
