Aero Precision EPC-9-T Complete Upper, 5.5" 9mm, RM4.8 - Ano

SKU: APAR620708M84
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Aero Precision EPC-9-T Complete Upper, 5.5″ 9mm, RM4.8 – Ano

This EPC-9 Complete Upper Receiver comes standard with our ATLAS R-ONE Handguard. The R-ONE handguards are designed with size and weight in mind, while still providing plenty of real-estate to accommodate any attachment needs the end user may have. Our proprietary ATLAS attachment system is a durable and dependable mounting platform, maintaining a slim profile while still providing the strength and stability customers have grown to love from Aero Precision handguards.


EPC-9 Upper Receiver
4.8″ ATLAS R-ONE Handguard
5.5″ 9mm CMV Barrel
Product comes assembled
This complete upper receiver does not include BCG or Charging Handle.
The muzzle device included with this complete upper receiver is NOT pinned nor welded to this barrel.
EPC-9 Upper Receiver


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


Full top picatinny rail for optional attachments
Quick disconnect sling socket at the 3, 6 and 9 o’clock positions
1.3″ Inside diameter
1.5″ Outside diameter
Compatible with mil-spec AR15 upper receivers and barrels
5.5″ 9mm Barrel Features
Chamber: 9×19
Length: 5.5″
Twist: 1 in 10
Threading: 1/2″x28
Material: Chrome Moly Vanadium
Finish: QPQ corrosion resistant finish both inside and out

Product Information


Aero Precision





Coating Type

Black Anodize

Attachment Type


Muzzle Thread


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