Aero Precision 7.5" M4E1 Threaded Complete AR 15 Upper With ATLAS S-ONE AR 15 Handguard

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Aero Precision 7.5" M4E1 Threaded Complete AR 15 Upper 

Black Rifle Depot is now able to offer the Aero Precision 7.5" M4E1 threaded complete AR 15 upper with ATLAS S-ONE AR 15 handguard. This complete upper assembly comes with an M4E1 upper receiver, a 7.5" handguard, 7.5" 5.56 Pistol Length CMV Barrel, low profile gas block and pistol length gas tube. It comes completely assembled, but does not include a BCG or Charging Handle. In addition please note: the muzzle break is not pinned, or welded into place. Please see our quick reference guide below for additional specs:


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 Feed Ramps
  • .250 takedown pin holes
  • Laser engraved T-marks
  • Includes port door and forward assist installed

ATLAS S-ONE Handguard Features:

  • 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

7.5" 5.56 Pistol Length Barrel Features:

  • Chamber: 5.56
  • Length: 7.5"
  • Twist: 1 in 7
  • Threading: 1/2"x28
  • Material: Chrome Moly Vanadium
  • Finish: QPQ corrosion resistant finish both inside and out
  • Gas Block: .750
  • Gas System Length: Pistol
  • Weight: 17.25 oz
  • M4 Barrel Extension
  • HP and MPI Tested

Extra Information