Aero Precision M4E1-T Complete Upper, 20" 6.5 Grendel SS Barrel, 15" ATLAS S-ONE MLOK HG - Anodized Black

Fully Assembled and Warrantied by Aero Precision
SKU: APAR700325M53


Original price was: $765.00.Current price is: $617.57.

In Stock

Only 2 left in stock

Quantity:


Aero Precision M4E1-T Complete Upper, 20″ 6.5 Grendel SS 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 6.5 Grendel M4E1 Threaded Complete Upper boasts a 20″ 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.

The 6.5 Grendel was designed as a low recoil/high accuracy cartridge and is ideal for those looking to stretch the legs of their AR15 rifle, with proven results at 1000+ yards.

* 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
  • 20″ 6.5 Grendel 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

6.5 Grendel Barrel Features:

  • 6.5 Grendel, 1/8 twist, 416R Stainless Steel Finish
  • SPR Profile
  • .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

6.5 Grendel

Length

20"

Gas System

Rifle

Twist Rate

1:08

Barrel Finish

Bead Blasted

Muzzle Thread

1/2×28

Series

ATLAS, M4E1

Material

416R Stainless, 6061-T6 Aluminum

Compatibility

Standard AR15 components

Made in USA

Yes

Arm or Ally

Arm or Ally is a stocking dealer for all Aero Precision, Faxon Firearms, Ballistic Advantage, HOLOSUN, Toolcraft, Elftmann Tactical, Timney, TriggerTech, HIPERFIRE and was named the #1 Overall E-Commerce Dealer for Aero Precision Products in 2020!

See our growing inventory of AR Parts, Parts for Glock and Reloading Components.