Aero Precision M4E1 16″ 5.56 Complete Upper Receiver w/ ATLAS S-ONE Handguard

$589.99

Black
SKU: N/A

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
  • 15″ ATLAS S-ONE Handguard.
  • 16″ 5.56 CMV Barrel.
  • Low Profile Gas Block and Mid-Length Gas Tube.
  • Port Door Assembly.
  • A2 Flash Hider.

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.
  • 1.3″ Inside diameter.
  • 1.5″ Outside diameter.
  • Compatible with mil-spec AR15 upper receivers and barrels.
  • MLOK attachment points.

16″ 5.56 Barrel Features:

  • 5.56 NATO 16″ Barrel, 1/7 twist, 4150 CrMoV, QPQ, gas port drilled.
  • .750 gas block journal.
  • Mid-length gas system, .0785 gas port.
  • M4 Feed Ramp Extension.
  • HP and MPI tested.
  • Standard A2 flash hider.

Note:

This complete upper receiver does not include BCG or Charging Handle.

Specifications

Overview

Brand

Technical Information

Finish

Anodized

Firearm Compatibility

Caliber

5.56 NATO / .223 Remington

Barrel Twist

1/7

Size

16"

Catalog Location

California Prop 65 Warning

WARNING: This product can expose you to chemicals, which are known to the State of California to cause Cancer and Reproductive Harm. For more information visit www.P65Warnings.ca.gov