Aero Precision M5 Complete Upper, 16" .308 Mid Barrel, 15" ATLAS S-ONE MLOK HG - Anodized Black

SKU: APAR538105M22
Fully Assembled and Warrantied by Aero Precision

Only 1 left in stock

Ballistic Advantage Authorized DealerAero Precision Authorized Dealer

Aero Precision M5 Complete Upper, 16″ .308 Mid Barrel, 15″ ATLAS S-ONE MLOK HG – Anodized Black

The Aero Precision Complete Upper Receiver epitomizes speed, efficiency, and dependability for fashioning a semi-custom AR10 rifle. Crafted with meticulous precision, this M5 Threaded Complete Upper boasts a 16″ Mid-Length barrel and a 15″ ATLAS S-ONE handguard. Meticulously machined, comprehensively assembled, and subject to rigorous test-firing by skilled Aero Precision armorers, it guarantees unparalleled performance.

* Does not include Bolt Carrier Group or Charging Handle.


  • M5E1 Threaded Assembled Upper Receiver – Anodized Black
  • 15″ M-LOK ATLAS S-ONE Handguard – Anodized Black
  • 16″ .308 WIN Mid-Length Barrel
  • Low-profile Gas Block and Gas Tube

M5E1 Threaded Upper Receiver Features:

  • Forged from 7075-T6 aluminum
  • M4 Feed ramps
  • .2795 takedown pin holes
  • Laser engraved T-marks
  • DPMS High Profile (.210) Tang
  • Includes port door and forward assist installed

ATLAS S-ONE Handguard Features:

Aero Precision’s ATLAS attachment system is a secure and dependable mounting platform, maintaining a slim profile while still providing the strength and stability customers have grown to love from Aero Precision handguards.

  • Front and rear Picatinny rail
  • Eliminated center of top rail for weight reduction
  • Indexing grooves in 12:00 position for positive grip control
  • Quick disconnect sling socket at the 3, 6, and 9 o’clock positions
  • Compatible with low-profile gas blocks
  • 1.5″ Inside diameter
  • 1.75″ Outside diameter
  • Compatible with AR-308 Upper Receivers with a tread pitch of 1-7/16×16 along with a DPMS High Profile (.210) tang rail

.308 WIN Barrel Features:

  • .308 WIN 1/10 twist, 4150 CrMoV, QPQ finish
  • .750 gas block journal
  • Mid-Length gas system
  • DPMS barrel extension
  • HP and MPI tested

Product Information


Aero Precision

Made in USA



AR10, M5


308 Win

Attachment Type


Coating Type

Anodized Black



Barrel Length


Gas System


Barrel Finish

QPQ Nitride

Muzzle Thread



4150 Chrome Moly Vanadium, 6061-T6 Aluminum


Standard DPMS AR10 Components

Part Type

Upper Receiver Parts



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