MPN: APAR308554M27 / APAR308556M27


  • Caliber: .308 Win
  • Finish: Type III Class 2 Hardcoat Anodized Finish
  • Upper Receiver: Aero Precision M5E1 Upper (DPMS High Profile) - 7075-T6 Aluminum
  • Handguard: 15-Inch or 16.6-Inch Gen 2 Enhanced M-LOK Handguard
  • M4 Feed Ramps: Yes
  • Muzzle Device: A2 Flash Hider
  • Barrel: 20-Inch 1:10 QPQ Coated 4150 Chrome Moly Vanadium
  • Muzzle Thread Pattern: 5/8"-24 TPI
  • Gas Block: Aero .750" Low-Profile Gas Block
  • Gas Tube: Rifle Length Gas tube
  • Bolt Carrier Group: Not Included
  • Charging Handle: Not Included
  • HP and MPI Tested

*This upper assembly does not come with Bolt Carrier Group and Charging Handle


  • Weight: ~5.57 lbs.
  • Overall Length: ~29.75"


  • DPMS LR-308 style lower receivers


  • 1x Aero Precision Enhanced 20" .308 CMV M5E1 Complete Upper Assembly


The ability to upgrade your current firearm or to fully customize your own are some of the most appealing options out there for gun owners and firearm enthusiasts. While every component of the firearm matters, choosing the best upper assembly is an important part of ensuring that your firearm has the look, style, and functionality that you’re looking for. That’s why we offer only the best upper assemblies on the market.

Ergonomic Design

Forged out of 7075 T6 aluminum, this Aero Precision 20” M5E1 upper is designed to not only withstand frequent, repeated use, but it’s also built to not add any cumbersome weight to your firearm, ensuring that you don’t have to forfeit any functionality for upgrading your upper assembly. Additionally, each and every detail is machined to specs, meaning that there is no difference in these upper assemblies and the one that came with your firearm from the factory.

Easy to Install

With a weight of just under six pounds, and a length of less than 30 inches, these .308 upper assemblies are easy to install, lightweight, and perfectly designed for you to either build your own firearm or turn your existing weapon into what you want it to be.

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  • This Item: Aero Precision Enhanced 20" .308 CMV M5E1 Complete Upper Assembly
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    $579.95 - $599.95

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