Aero Precision APAR308554M45 AR-15 Enhanced Upper with M-Lok 6.5 Creedmoor 20" 416 Stainless Steel Threaded

Aero Precision M5E1 Enhanced Upper Receiver 6.5 Creedmoor 20" SS Barrel

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 20" stainless steel barrel is chambered in 6.5 Creedmoor and features a 1:8" 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.



Specifications and Features : Aero Precision M5E1 Enhanced AR Style Upper Receiver Assembly APAR308554M45

Direct Gas Impingement Platform

6.5 Creedmoor

20" 416R Stainless Steel Barrel (Bead Blasted Finish)

1:8" Twist Rate

Barrel Threaded 5/8x24

Gas Block Journal .875

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

Charging Handle



Fits : Aero Precision M5 (.308 Win) Style Lower Receivers

Other .308 AR Pattern Style Lower Receivers with .2795" Takedown Pins