Aero Precision AR-10/.308 M5 Complete Upper Receiver Assembly, 18″ CMV Barrel, Atlas R-One 15″ M-LOK Handguard- Aluminum FDE

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:

• M5 Assembled Upper Receiver
• ATLAS R-ONE Handguard of choice
• 18″ .308 CMV Barrel, Rifle Length
• Low Profile Gas Block and Rifle Length Gas Tube
• Product comes assembled
• This complete upper does not include a BCG or Charging Handle.

M5 Assembled Upper Features:

• Forged from 7075 T6 aluminum
• M4 Feedramps
• .2795 takedown pin holes
• Laser engraved T-marks
• DPMS High Profile (.210) Tang)
• Includes port door and forward assist

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
• 1.5″ Inside diameter
• 1.75″ Outside diameter
• Compatible with AR-308 Upper Recievers with a thread pitch of 1-7/16 x 16 along with a DPMS High Profile (.210) Tang Rail

18″ .308 CMV Barrel Features:

• Twist: 1 in 10
• Threading: 5/8 x 24
• Material: 4150 Chrome Moly Vanadium
• Finish: QPQ Corrosion Resistant
• Gas Block Journal: .750
• Gas System Length: Rifle Length
• Weight: 52.35 oz
• DPMS Barrel Extension
• HP and MPI Tested