Aero Precision M5 14.5" Barreled .308 Upper Receiver with Atlas R-ONE Rail M-LOK Handguard

This complete upper includes our new ATLAS R-ONE Handguard! The R-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:

• M5 Assembled Upper Receiver with Forward Assist
• 12.7" M-LOK ATLAS R-ONE Handguard
• 14.5" .308 Ballistic Advantage (Owned by Aero-Precision) CMV Barrel, Carbine Length
• Low Profile Gas Block and Mid Length Gas Tube
• Product comes assembled
• This complete upper does not include BCG or Charging Handle. These products may be selected as add-ons under the FINISH YOUR BUILD tab
• The muzzle brake that comes with this complete upper receiver is NOT pinned nor welded to this barrel. Per the National Firearms Act, the muzzle brake MUST be pinned and welded to achieve the necessary 16" as defined by the ATF for a rifle build or build as a non-NFA pistol.

M5 .308 Threaded Upper Receiver Features:

• M4 Feedramps
• .2795 takedown pin holes
• Laser engraved T-marks
• New enhanced forging that gives the upper receiver a "billet look"
• DPMS High Profile (.210) Tang

12.7" ATLAS R-ONE Handguard Features:

• Full top picatinny rail
• 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
• 1.5" Inside diameter
• M-LOK Handguard Weights: 12.7" - 8 oz
• Compatible with mil-spec AR10 upper receivers and barrels

14.5" .308 Barrel Features:

• .308 14.5" Barrel, 1/10 twist, 4150 CrMoV, QPQ, gas port drilled
• Government Profile
• .750 gas block journal
• Carbine length gas system. 
• M4 Feed Ramp Extension
• HP and MPI tested
• Standard A2 flash hider
• Weight 38 oz.
• 5/8x24 Threaded Barrel