Aero Precision M4E1-T Complete Upper, 8" 300 Blackout Pistol Barrel, 7.3" ATLAS R-ONE MLOK HG - FDE Cerakote

Fully Assembled and Warrantied by Aero Precision
SKU: APAR700711M1


Original price was: $635.00.Current price is: $461.27.

In Stock

Only 2 left in stock

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Aero Precision M4E1-T Complete Upper, 8″ 300 Blackout Pistol Barrel, 7.3″ ATLAS R-ONE MLOK HG – FDE Cerakote

The Aero Precision Complete Upper Receiver epitomizes speed, efficiency, and dependability for fashioning a semi-custom AR15 rifle. Crafted with meticulous precision, this 300 Blackout M4E1 Threaded Complete Upper boasts an 8″ Pistol barrel and a 7.3″ ATLAS R-ONE handguard. Meticulously machined, comprehensively assembled, and subject to rigorous test-firing by skilled Aero Precision armorers, it guarantees unparalleled performance.

* NFA Rules apply for this item.
* The muzzle device is NOT pinned nor welded to the barrel.
* Does not include Bolt Carrier Group or Charging Handle.

Includes:

  • M4E1 Threaded Assembled Upper Receiver – Magpul FDE Cerakote
  • 7.3″ M-LOK ATLAS R-ONE Handguard – Magpul FDE Cerakote
  • 8″ 300 Blackout Pistol 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
  • Includes port door and forward assist installed

ATLAS R-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.

  • Continuous top Picatinny rail
  • 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

300 BLK Barrel Features:

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

Product Information

Manufacturer

Aero Precision

Platform

AR15

Color

FDE

Finish

Cerakote

Handguard

7.3" M-LOK

Caliber

300 Blackout

Length

8"

Gas System

Pistol

Twist Rate

1:07

Barrel Finish

QPQ Nitride

Muzzle Thread

5/8×24

Series

ATLAS, M4E1

Material

4150 Chrome Moly Vanadium, 6061-T6 Aluminum

Compatibility

Standard AR15 components

Made in USA

Yes

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