This complete upper includes our 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.
Includes:
- M4E1 Threaded Assembled Upper Receiver
- 12″ M-LOK ATLAS S-ONE Handguard
- 12.5″ 5.56 Government Profile CMV Barrel, Carbine Length
- Low Profile Gas Block and Carbine Length Gas Tube
- AR15 A2 Birdcage Flash Hider
- Product comes assembled
- This complete 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 S-ONE Handguard Features:
- Front and read picatinny rail
- 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
12.5″ 5.56 CMV Carbine Length Barrel Features:
- Chamber: 5.56
- Length: 12.5″
- 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 System Length: Carbine
- Weight: 22oz
- M4 Barrel Extension
- HP and MPI Tested
Specifications:
- Caliber/Gauge 5.56×45
- Barrel Length 12.5″
- Barrel Twist 1:7
- Barrel Bore Type Rifled
- Barrel Finish QPQ Corrosion Resistant
- Barrel Fluting None
- Barrel Profile Government
- Firearm Fit Multi
- Threaded Barrel Yes
- Condition New
