Aero Precision EPC-9-T Complete Upper, 16" 9mm Barrel, 15" ATLAS R-ONE HG - Anodized Black

SKU: APAR620705M87
Fully Assembled and Warrantied by Aero Precision

Only 1 left in stock

Ballistic Advantage Authorized DealerAero Precision Authorized Dealer

Aero Precision EPC-9-T Complete Upper, 16″ 9mm Barrel, 15″ ATLAS R-ONE HG – Anodized Black

The Aero Precision Complete Upper Receiver epitomizes speed, efficiency, and dependability for fashioning a semi-custom AR Pistol Carbine. Crafted with meticulous precision, this EPC-9 Threaded Complete Upper boasts a 16″ CMV barrel and a 15″ ATLAS R-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.


  • EPC-9 Upper Receiver – Anodized Black
  • 15″ M-LOK ATLAS R-ONE Handguard – Anodized Black
  • 16″ 9mm CMV Barrel
  • Standard A2-Style Flash Hider

EPC-9 Upper Receiver Features:

  • Last round bolt hold open mechanism
  • Accepts most AR15 compatible barrel nuts and handguards
  • Dimple above threads to allow for proper handguard timing
  • Standard AR15 takedown/pivot pin lug pattern
  • Machined from custom forged 7075-T6 aluminum

ATLAS R-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.

  • Continuous top Picatinny rail
  • Quick disconnect sling socket at the 3, 6, and 9 o’clock positions
  • Compatible with mil-spec AR15 upper receivers and barrels
  • 1.3″ Inside diameter
  • 1.5″ Outside diameter

9mm Barrel Features:

  • 9×19 1/10 twist, 4150 CrMoV, QPQ finish
  • 1/2″x28 TPI threading
  • HP and MPI tested

Product Information


Aero Precision

Made in USA







15" MLOK

Attachment Type


Coating Type

Anodized Black



Barrel Length


Gas System


Barrel Finish

QPQ Nitride

Muzzle Thread



4150 Chrome Moly Vanadium, 6061-T6 Aluminum


Standard AR15 components

Part Type

Upper Receiver Parts

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