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M4E1 Threaded Complete Upper, 10″ .300 Blackout Barrel, ATLAS R-ONE 9″ M-LOK Handguard

This complete upper includes our new M-LOKI 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.

This product is currently out of stock and unavailable.

Description

Includes:

  • M4E1 Threaded Assembled Upper Receiver
  • M-LOK ATLAS R-ONE Handguard
  • 10″ .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.
  • 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

M-LOK 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

10″ .300 Blackout Barrel Features:

  • Length: 10″
  • Twist: 1 in 7
  • Muzzle: 5/8×24 Threaded
  • Material: 4150 Crome Moly Vanadium
  • Finish: QPQ corrosion resistant finish both inside and out
  • Gas Block: .750
  • Gas Port: .0935
  • Gas System Length: Pistol
  • Weight: 21oz
  • M4 Barrel Extension
  • HP and MPI Tested

Additional information

Weight 0.0000000 lbs
Dimensions 0.0000000 × 0.0000000 × 0.0000000 in
Finish

Anodized Matte Black, Magpul FDE Cerakote

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