Stock Status: Aero Precision M4E1 Barreled Upper 16" 5.56 Mid-Length Barreled Upper Receiver w/ ATLAS S-ONE
This complete upper includes our new ATLAS S-ONE Handguard! The S-ONE line of handguards are designed with size and weight in mind, providing the perfect addition to your lightweight build. Our 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.
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:
Includes:
- M4E1 Threaded Assembled Upper Receiver
- ATLAS S-ONE Handguard of choice
- 16" 5.56 CMV Barrel
- Low Profile Gas Block and Mid-Length Gas Tube
- Product comes assembled
This complete upper does not include BCG or Charging Handle.
ATLAS S-ONE Handguard Features:
- Front and rear picatinny rail
- M-LOK Compatible
- Eliminated center of top rail for weight reduction
- Indexing grooves in 12:00 position for positive grip control
- 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 | 16" |
| Material | 4150 Chrome Moly Vanadium |
| Profile | Government |
| Finish | QPQ Corrosion Resistant |
| Gas System Length | MidLength |
| Dimpled? | No |
| Twist Rate | 1:7 |
- Maximum Purchase:
- 5 units
