Aero Precision AR-15 .300 Blackout M4E1 Threaded Complete Upper Receiver, 10″ Barrel, Atlas S-One 9.3″ Handguard- FDE

SKU: APAR700312M4
UPC: 840014601752

Aero Precision Complete Upper Receiver.

$449.99

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This complete upper includes our new ATLAS S-ONE Handguard! The S-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.

Complete Upper Includes:

  • M4E1 Threaded Assembled Upper Receiver:
  • 9″ ATLAS S-ONE Handguard
  • 10″ .300 Blackout Carbine Length CMV Barrel
  • Low Profile Gas Block and Carbine Length Gas Tube
  • Product comes assembled
  • This complete upper does not include BCG or Charging Handle.
  • 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 S-One Handguard:

  • Front and rear picatinny rail
  • Eliminated center of top rail for weight reduction
  • 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
  • 1.3” Inside diameter
  • 1.5” Outside diameter
  • Compatible with mil-spec AR15 upper receivers and barrels

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
Weight 3.3 lbs
Manufacturer

Aero Precision

Bullet Condition

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