Aero Precision M4E1 11.5″ 5.56 Complete Upper Receiver w/ ATLAS S-ONE Handguard

$395.24

Black
UPC: SKU: N/A

Product Summary

This complete upper includes Aero’s new ATLAS S-ONE Handguard. The S-ONE line of handguards is designed with size and weight in mind, providing the perfect addition to your lightweight build. Includes:

  • M4E1 Threaded Assembled Upper Receiver
  • 9″ ATLAS S-ONE M-LOK Handguard
  • 11.5″ 5.56 CMV Barrel, Carbine Length
  • Low Profile Gas Block and Carbine Length Gas Tube
  • Product comes assembled
  • This complete upper does not include BCG or Charging Handle.
  • The muzzle brake that comes with this complete upper receiver is NOT pinned nor welded to this barrel.

Detailed Description

This complete upper includes Aero’s new ATLAS S-ONE Handguard. The S-ONE line of handguards is designed with size and weight in mind, providing the perfect addition to your lightweight build. 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
  • 9″ ATLAS S-ONE M-LOK Handguard
  • 11.5″ 5.56 CMV Barrel, Carbine Length
  • Low Profile Gas Block and Carbine Length Gas Tube
  • Product comes assembled
  • This complete upper does not include BCG or Charging Handle.
  • The muzzle brake that comes with this complete upper receiver is NOT pinned nor welded to this barrel.

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 S-ONE Handguard Features:

  • 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
  • 1.3″ Inside diameter
  • 1.5″ Outside diameter
  • Compatible with mil-spec AR15 upper receivers and barrels
  • Learn More about our NEW ATLAS Handguards

11.5″ 5.56 Barrel Features:

  • 5.56 Nato 11.5″ Barrel, 1/7 twist, 4150 CrMoV, QPQ, gas port drilled
  • Government Profile
  • .750 gas block journal
  • Carbine length gas system, .0785 gas port
  • M4 Feed Ramp Extension
  • HP and MPI tested
  • Standard A2 flash hider

Specifications

Overview

Brand

Technical Information

Finish

Anodized

Firearm Compatibility

Caliber

5.56 NATO / .223 Remington

Barrel Twist

1/7

Size

11.5"