Aero Precision M5E1 Enhanced Upper Receiver .308 Win 18

Aero Precision M5E1 Enhanced Upper Receiver .308 Win 18 Features: The Aero Precision M5E1 Enhanced AR Style Upper Receiver is built from a forged 7075-T6 Aluminum upper receiver. The upper features a flat top design M4 feed ramps and you can rest assured that it is precision machined to Aero Precision s specifications. Additionally the 18 chrome Moly Vanadium barrel is chambered in .308 Winchester and features a 1:10 twist rate. Finally the Gen 2 Enhanced free float hand guard provides you with elegance and functionality. The rail is machined from 6061-T6 aluminum and provides you with a one piece free float design. Aero Precision M5E1 Enhanced Upper Receiver .308 Win 18 Specifications: Aero Precision Direct Gas Impingement Platform Upper .308 Winchester 18 Chrome Moly Vanadium Steel Barrel (QPQ Finish) 1:10 Twist Rate Barrel Threaded 5/8x24 Gas Block Journal .750 Rifle Length Gas System DPMS Barrel Extension HP/MPI Tested Gen 2 Enhanced One Piece Free Float M-LOK Compatible Hand Guard Upper Receiver forged from 7075-T6 Aluminum M4 Feedramps .2795 Takedown Pins Accepts standard AR .308 components Forward Assist/Port Door Installed Hard Coat Anodized Finish Matte Black Does NOT Include: Complete Bolt Carrier Group or Charging Handle Fits: Aero Precision M5 (.308 Win) Style Lower Receivers Other .308 AR Pattern Style Lower Receivers with .2795 Takedown Pins