Aero Precision M5E1 Enhanced Upper Receiver .308 Win 18″

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.

Aero Precision M5E1 Enhanced Upper

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

• Aero Precision
• Direct Gas Impingement Platform Upper
• .308 Winchester
• 18″ Chrome Moly Vanadium Steel Barrel (QPQ Finish)
• 1:10″ Twist Rate
• Barrel Threaded 5/8×24
• 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