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Aero Precision M4E1-T Threaded 18" 5.56 AR 15 Complete Upper

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Aero Precision M4E1-T Threaded 18" 5.56 AR 15 Complete Upper

The AERO Precision M4E1-T 18" 5.56 AR 15 Complete Upper comes with the new ATLAS-S ONE M-LOK Handguard. AERO Precision's ATLAS-S ONE handguard is designed to be lightweight without sacrificing size or overall strength. Boasts the slim profile AERO Precision ATLAS attachment system that is durable and a dependable mounting platform that customers have grown to love.

Complete Upper Assembly Includes:

  • M4E1 Threaded Assembled Upper Receiver
  • ATLAS S-ONE Handguard of choice
  • 18" 5.56 Rifle Length CMV Barrel
  • Low Profile Gas Block and Rifle Length Gas Tube
  • Product comes assembled
  • This complete upper does not include BCG or Charging Handle.

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
  • Shop for the NEW ATLAS S-ONE Hanguards

18" 5.56 Rifle Length Barrel Features:

  • 5.56 NATO 18" Rifle Length Barrel
  • 4150 CrMoV w/ QPQ finish
  • 1/7 twist
  • .750 gas block journal
  • Rifle length gas system
  • M4 Feed Ramp Extension
  • HP and MPI tested
  • Standard A2 flash hider
Shipping to FFL Dealer Required No
Made In America? Yes
Platform AR15
Series ATLAS S-One
Caliber 5.56 NATO
Barrel Length 18"
Weight(s)  67oz +/-

Extra Information