AERO PRECISION EPC-9 R-ONE Complete Upper 9mm Luger 5.5" BLK

High quality Complete Upper Receiver with EPC-9 Blowback Bolt Carrier Group and Charging Handle.

MADE IN THE USA

This EPC-9 Semi-Auto Complete Upper Receiver comes 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. 

Compatible accessories see under this article, accessories.

Includes:

• EPC-9 Upper Receiver
• Included EPC-9 Direct Blowback BCG
• Included Standard Charging Handle 
• Included A2 Flash Hider
• 4.8" ATLAS R-ONE Handguard
• 5.5" 9mm CMV Barrel

EPC-9 Upper Receiver Features:

• Laser engraved T-marks
• Dimple above threads to allow for proper handguard timing
• Standard AR15 takedown/pivot pin lug pattern
• Machined from custom forged 7075-T6 aluminum
• Accepts most AR15 9mm Lower Receiver
  
• Last round bolt hold open mechanism, depending on the choice of lower receiver or magazine adapter used
• Finish: Matte black hard-coat anodized Mil 8625 Type 3 Class 2

ATLAS R-ONE Handguard Features:

• 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
• Finish: Matte black hard-coat anodized Mil 8625 Type 3 Class 2

Barrel Features:

• Chamber: 9x19 / 9mm Luger
• Twist: 1 in 10
• Muzzle Thread: 1/2"x28 UNEF
• Material: Chrome Moly Vanadium
• Finish: QPQ corrosion resistant finish both inside and out