Stock Status: M4E1 Threaded 10.5" 5.56 Barreled Upper Receiver w/ 9" M-LOK ATLAS R-ONE
This barreled upper includes the 9" 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. ATLAS attachment systems are a durable and dependable mounting platform, maintaining a slim profile while still providing the strength and stability.
Be sure to use the link below to choose a BCG and charging handle as this upper does not come with either.
Click here for Charging Handles
Click here for Bot Carrier Groups
Includes:
- M4E1 Threaded Assembled Upper Receiver
- ATLAS S-ONE Handguard of choice
- 10.5" 5.56 CMV Barrel
- Low Profile Gas Block and Carbine Length Gas Tube
- Product comes assembled
This upper does not include BCG or Charging Handle.
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
| Barrel | Specifications |
|---|---|
| Caliber | 5.56 |
| Length | 10.5" |
| Material | 4150 Chrome Moly Vanadium |
| Finish | QPQ Corrosion Resistant |
| Gas System Length | Carbine |
| Gas Block Journal | .750" |
| Dimpled? | No |
| Twist Rate | 1:7 |
| Barrel Extension | M4 Feed Ramps |
Depending on your state and local laws, you could use this barrel with a lower receiver that is a Registered SBR, or Pistol. Possession of this barrel along with a Non-NFA lower receiver may be Prohibited. We are not lawyers and the above information is not legal advise. Make sure you understand the most up to date federal, state and local laws before proceeding with this product.
- Maximum Purchase:
- 5 units
