Aero Precision M4E1 12.5″ 5.56 Complete Upper Receiver w/ ATLAS R-ONE Handguard

$412.24

Black
SKU: N/A

Product Summary

This complete upper comes assembled with Aero’s M4E1 Threaded Assembled Upper Receiver and the ATLAS R-ONE Handguard. Includes:

  • M4E1 Threaded Assembled Upper Receiver
  • 12″ M-LOK ATLAS R-ONE Handguard
  • 12.5″ 5.56 Government Profile CMV Barrel, Carbine Length
  • Low Profile Gas Block and Carbine Length Gas Tube
  • AR15 A2 Birdcage Flash Hider
  • Product comes assembled
  • This complete upper does not include BCG or Charging Handle.

Detailed Description

This complete upper includes Aero 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. Aero’s 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.

Includes:

  • M4E1 Threaded Assembled Upper Receiver
  • 12″ M-LOK ATLAS R-ONE Handguard
  • 12.5″ 5.56 Government Profile CMV Barrel, Carbine Length
  • Low Profile Gas Block and Carbine Length Gas Tube
  • AR15 A2 Birdcage Flash Hider
  • Product comes assembled
  • This complete upper does not include BCG or Charging Handle.

M4E1 Threaded Upper Receiver Features:

  • New enhanced forging that gives the upper receiver a “billet look”
  • New Picatinny profile that blends seamlessly with our Enhanced Series Handguards
  • M4 Feedramps
  • .250 takedown pin holes
  • Laser engraved T-marks
  • Includes port door and forward assist installed

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
  • Compatible with low profile gas blocks
  • 1.3” Inside diameter
  • 1.5” Outside diameter
  • Compatible with mil-spec AR15 upper receivers and barrels
  • Learn More about our NEW ATLAS Handguards

12.5″ 5.56 CMV Carbine Length Barrel Features:

  • Chamber: 5.56
  • Length: 12.5″
  • Twist: 1 in 7
  • Threading: 1/2″x28
  • Material: Chrome Moly Vanadium
  • Finish: QPQ corrosion resistant finish both inside and out
  • Gas Block: .750
  • Gas System Length: Carbine
  • Weight: 22oz
  • M4 Barrel Extension
  • HP and MPI Tested

Specifications

Overview

Brand

Technical Information

Finish

Anodized

Firearm Compatibility

Caliber

5.56 NATO / .223 Remington

Barrel Twist

1/7

Size

12.5"

Catalog Location