Aero Precision APAR308506AC M5E1 Enhanced Receiver 308 Win 7075T6 Aluminum Flat Dark Earth Cerakote Receiver for M5 Platform

Aeros M5E1 Upper Receiver is a onepiece design combining the handguard mounting platform with the upper itself. Aero has condensed the parts needed to mount a freefloated handguard to 8 screws. It features M4 Feedramps .2795 takedown pin holes and laser engraved Tmarks. Comes assembled with Port Door and Forward Assist installed. The M5E1 Upper Receiver is specifically designed to be used with Aeros M5 Enhanced Handguards. It will not work with other AR10308 handguards. NOTE: Requires charging handle barrel handguard gas block muzzle device gas tube and BCG Bolt Carrier Group to complete.