Product Description
This complete upper includes Aero’s new ATLAS R-ONE Handguard. The R-ONE handguards are designed with size and weight in mind, while still providing plenty of real-estate to accommodate any attachment needs the end-user may have. Aero’s proprietary ATLAS attachment system is a durable and dependable mounting platform, maintaining a slim profile while still providing the strength and stability customers have grown to love from Aero Precision handguards.
Includes:
- M4E1 Threaded Assembled Upper Receiver
- ATLAS R-ONE Handguard of choice
- 14.5″ 5.56 Mid-Length CMV Barrel
- Low Profile Gas Block and Mid Length Gas Tube
- Product comes assembled
- This complete upper does not include BCG or Charging Handle.
- The muzzle brake that comes with this complete upper receiver is NOT pinned nor welded to this barrel.
M4E1 Threaded Upper Receiver Features:
- New enhanced forging that gives the upper receiver a “billet look”
- New Picatinny profile that blends seamlessly with our Enhanced Series Handguards
- M4 Feedramps
- .250 takedown pin holes
- Laser engraved T-marks
- Includes port door and forward assist installed
ATLAS R-ONE Handguard Features:
- Full top Picatinny rail for optional attachments
- 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
- Compatible with mil-spec AR15 upper receivers and barrels
- Learn More about our NEW ATLAS Handguards
14.5″ 5.56 Mid-Length Barrel Features:
- Chamber: 5.56
- Length: 14.5″
- Twist: 1 in 7
- Threading: 1/2″x28
- Material: Chrome Moly Vanadium
- Finish: QPQ corrosion resistant finish both inside and out
- Gas Block: .750
- Gas Port: .0785
- Gas System Length: Mid
- Weight: 26oz
- M4 Barrel Extension
- HP and MPI Tested
Specifications
Overview
Brand |
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Technical Information
Finish |
Anodized |
---|---|
Firearm Compatibility | |
Caliber |
5.56 NATO / .223 Remington |
Barrel Twist |
1/7 |
Size |
14.5" |
WARNING: This product can expose you to chemicals, which are known to the State of California to cause Cancer and Reproductive Harm. For more information visit www.P65Warnings.ca.gov