Stock Status: Aero Precision M4E1 Barreled Upper, 16" .223 Wylde Mid-Length Barrel, 15" M-LOK 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.
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
- M4E1 Threaded Assembled Upper Receiver
- ATLAS S-ONE Handguard of choice
- 16" .223 Wylde Mid-Length Stainless Steel Barrel
- Low Profile Gas Block and Mid-Length Gas Tube
- Product comes assembled
M4E1 Upper 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 S-ONE Handguard Features:
- 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
| Barrel | Specifications |
|---|---|
| Caliber | 223 Wylde |
| Length | 16" |
| Material | 416R Stainless Steel |
| Profile | Hanson |
| Finish | Bead Blasted |
| Gas System Length | MidLength |
| Gas Block Journal | .750" |
| Dimpled? | No |
| Twist Rate | 1:8 |
| Muzzle Thread | 1/2x28 TPI |
| Weight | 27.oz |
| Barrel Extension | M4 Feed Ramps |
| Target Crown | 11 Degree |
- Maximum Purchase:
- 5 units
