Aero PrecisionM4E1 Threaded Complete Upper 8" .300 Blackout Barrel ATLAS R-ONE 7" M-LOK HG - FDE Cerakote

Aero Precision M4E1 Threaded Complete Upper 8" .300 Blackout Barrel ATLAS R-ONE 7" M-LOK HG - FDE Cerakote

The Aero Precision M4E1 Threaded Complete Upper features the innovative ATLAS R-ONE Handguard. Designed to focus on reducing size and weight, the R-ONE handguards still offer ample space to meet all the attachment needs of the end user. This setup includes the AERO Complete Upper's proprietary ATLAS attachment system, known for its durability and dependability. It maintains a slim profile while delivering the strength and stability that customers expect from Aero Precision handguards. This complete upper is perfect for those who require robust performance without compromising on sleekness and efficiency.

Includes:

• M4E1 Threaded Assembled Upper Receiver
• ATLAS R-ONE Handguard of choice
• 8" .300 Blackout CMV Barrel
• Low Profile Gas Block and Pistol 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.

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
• Learn More about our NEW ATLAS Handguards

8" .300 Blackout Barrel Features:

• Length: 8"
• Twist: 1 in 7
• Muzzle: 5/8x24 Threaded
• Material: 4150 Crome Moly Vanadium
• Finish: QPQ corrosion resistant finish both inside and out
• Gas Block: .750
• Gas Port: .109
• Gas System Length: Pistol
• Weight: 18oz
• M4 Barrel Extension
• HP and MPI Tested

Specifications:

• Shipping to FFL Dealer Required No
• Made In America? Yes
• Platform AR15
• Series ATLAS
• Caliber .300 Blackout
• Barrel Length 8"