Aero Precision M4E1 Threaded Complete Upper 10" .300 Blackout Barrel ATLAS R-ONE 9" M-LOK HG - FDE Cerakote
Only 1 left in stock
This complete upper includes Aero Precision’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 Precision’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. This complete upper does not include BCG or Charging Handle.
Includes:
- M4E1 Threaded Assembled Upper Receiver
- 9″ ATLAS R-ONE Handguard
- 10″ .300 Blackout CMV Barrel
- Low Profile Gas Block and Pistol Length Gas Tube
- Product comes assembled
- 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
10″ .300 Blackout Barrel Features:
- Length: 10″
- Twist: 1 in 7
- Muzzle: 5/8×24 Threaded
- Material: 4150 Crome Moly Vanadium
- Finish: QPQ corrosion resistant finish both inside and out
- Gas Block: .750
- Gas Port: .0935
- Gas System Length: Pistol
- Weight: 21oz
- M4 Barrel Extension
- HP and MPI Tested
| Weight | 21 oz |
|---|---|
| Dimensions | 22 × 5 × 5 in |
| Barrel Finish | Nitride / Melonite |
| Barrel Profile | Government / SOCOM |
| Gas System Length | Pistol |
| Barrel Length | 10 |
| Cartridge Compatibility | 300 BLK |
| Twist Rate | 1-7 |
| BCG / Charging Handle | Not Included |
| UPC | 840014608584 |
Compliance
NFA (National Firearms Act) compliance is crucial for legal ownership and transfer of regulated firearms and accessories like short-barreled rifles, suppressors, and certain types of ammunition, ensuring adherence to federal regulations to avoid legal penalties and ensure responsible firearm ownership.
