Aero Precision M4E1-T Complete Upper, 16″ 5.56 HBAR Mid Barrel, 15″ ATLAS R-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 a 16″ Mid-Length barrel and a 15″ ATLAS R-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.
* Barrel is laser marked “HBAR” for compliance in some local and state jurisdictions
Includes:
- M4E1 Threaded Assembled Upper Receiver – Anodized Black
- 15″ M-LOK ATLAS R-ONE Handguard – Anodized Black
- 16″ 5.56 NATO Mid-Length 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 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
5.56 NATO Barrel Features:
- 5.56 NATO 1/7 twist, 4150 CrMoV, QPQ finish
- .750 gas block journal
- Engraved “HBAR”
- Mid-Length 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 | 16" |
Gas System | Mid-Length |
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 |
We fully comply with all federal, state, and local laws regarding the sale of restricted products. We do not market or sell to prohibited jurisdictions, and any attempts to induce illegal activity, including by law enforcement or government agencies, will be rejected and may be reported. All orders are subject to legal verification, and those in violation will be canceled. By using this site, you confirm compliance with all applicable laws.
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!
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