Aero Precision M4E1-T Complete Upper, 18" 5.56 Rifle Length Barrel, 15" ATLAS S-ONE MLOK HG - Anodized Black

Fully Assembled and Warrantied by Aero Precision
SKU: APAR700305M8


Original price was: $665.00.Current price is: $482.66.

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In stock

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Aero Precision M4E1-T Complete Upper, 18″ 5.56 Rifle Length Barrel, 15″ ATLAS S-ONE MLOK HG – Anodized Black

The Aero Precision Complete Upper Receiver epitomizes speed, efficiency, and dependability for fashioning a semi-custom AR15 rifle. Crafted with meticulous precision, this 5.56 NATO M4E1 Threaded Complete Upper boasts an 18″ Rifle barrel and a 15″ ATLAS S-ONE handguard. Meticulously machined, comprehensively assembled, and subject to rigorous test-firing by skilled Aero Precision armorers, it guarantees unparalleled performance.

* Does not include Bolt Carrier Group or Charging Handle.

Includes:

  • M4E1 Threaded Assembled Upper Receiver – Anodized Black
  • 15″ M-LOK ATLAS S-ONE Handguard – Anodized Black
  • 18″ 5.56 NATO Rifle Barrel
  • Low-profile Gas Block and Gas Tube
  • Standard A2 Flash Hider

M4E1 Threaded Upper Receiver Features:

  • New enhanced forging gives the upper receiver a “billet look.”
  • M4 Feed ramps
  • .250 takedown pin holes
  • Laser engraved T-marks
  • Includes port door and forward assist installed

ATLAS S-ONE Handguard Features:

Aero Precision’s ATLAS attachment system is a secure and dependable mounting platform, maintaining a slim profile while still providing the strength and stability customers have grown to love from Aero Precision handguards.

  • 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

5.56 NATO Barrel Features:

  • 5.56 NATO 1/7 twist, 4150 CrMoV, QPQ finish
  • .750 gas block journal
  • Rifle gas system
  • M4 Feed Ramp Extension
  • HP and MPI tested

Product Information

Manufacturer

Aero Precision

Platform

AR15

Color

Black

Finish

Anodized

Handguard

15" M-LOK

Caliber

5.56 NATO

Length

18"

Gas System

Rifle

Twist Rate

1:07

Barrel Finish

QPQ Nitride

Muzzle Thread

1/2×28

Series

ATLAS, M4E1

Material

4150 Chrome Moly Vanadium, 6061-T6 Aluminum

Compatibility

Standard AR15 components

Made in USA

Yes

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