Aero Precision - M4E1 Threaded Assist Complete Upper, 14.5" 5.56 Mid-Length Barrel w/ Pinned Gamma SL, 12" ATLAS R-One M-LOK Handguard
Aero Precision
$549.99
This complete upper includes our 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. 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
- ATLAS R-ONE Handguard of choice
- 14.5" 5.56 Mid-Length CMV Barrel
- Low Profile Gas Block and Mid Length Gas Tube
- VG6 Precision GAMMA 556 SL (pinned and welded)
- Product comes assembled
- Does NOT include BCG and 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
14.5" 5.56 NATO Mid-Length Barrel Features:
- Chamber: 5.56
- Length: 14.5"
- 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 Port: .0785
- Gas System Length: Mid
- Weight: 26oz
- M4 Barrel Extension
- HP and MPI Tested
- Platform:
- AR15
- Caliber:
- 5.56 NATO