Aero Precision M4E1-T Complete Upper, 14.5″ 5.56 NATO Mid Barrel, 12.7″ 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 5.56 NATO M4E1 Threaded Complete Upper boasts a 14.5″ Mid-Length barrel and a 12.7″ 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
- 12.7″ M-LOK ATLAS R-ONE Handguard – Magpul FDE Cerakote
- 14.5″ 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
- 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
- Mid-Length gas system
- M4 Feed Ramp Extension
- HP and MPI tested
Product Information
Manufacturer | Aero Precision |
---|---|
Platform | AR15 |
Color | FDE |
Finish | Cerakote |
Handguard | 12.7" M-LOK |
Caliber | 5.56 NATO |
Length | 14.5" |
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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