Aero Precision M4E1-T Complete Upper, 16" 5.56 Pencil Mid-Length Barrel, 15" ATLAS R-ONE MLOK HG - Anodized Black
Fully Assembled and Warrantied by Aero Precision
Only 2 left in stock
Aero Precision M4E1-T Complete Upper, 16″ 5.56 Pencil Mid-Length 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.
Includes:
- M4E1 Threaded Assembled Upper Receiver – Anodized Black
- 15″ M-LOK ATLAS R-ONE Handguard – Anodized Black
- 16″ 5.56 NATO Mid-Length Barrel – Pencil Profile
- 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 Pencil Barrel Features:
- 5.56 NATO 1/7 twist, 4150 CrMoV, QPQ finish
- .750 gas block journal
- 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 |
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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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