AERO Precision M4E1 Threaded 16″ 5.56 M4 Complete Upper w/ATLAS R-ONE Handguard


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AERO Precision M4E1 Threaded 16″ 5.56 M4 Complete Upper with ATLAS R-ONE Handguard Black or Flat Dark Earth, 12 in or 15 in M-LOK


AERO Precision M4E1 Threaded 16″ 5.56 Complete Upper For Sale

AERO Precision M4E1 Threaded 16″ 5.56 Complete Upper in Stock at the Best Price!

Aero Precision M4E1 Threaded, 16 inch, 5.56 Complete Upper Receiver includes the ATLAS R-ONE Handguard! Designed with size and weight at the forefront, the R-ONE handguards provide plenty of real-estate to accommodate any attachment shooters may need. The ATLAS attachment system is a strong and dependable mounting platform that maintains a slim profile while still providing strength and stability Aero Precision handguards are known for.

Aero Precision’s M4E1 Threaded Complete Upper Receiver is made up of: an ATLAS R-ONE Handguard of choice, 16 inch 5.56 CMV Barrel, Low Profile Gas Block and Carbine Length Gas Tube. Available in black and flat dark earth, and with 12 inch or 15 inch M-LOK, this upper comes assembled for immediate use.

Xtreme Guns and Ammo is your one stop shop, online, for all Aero Precision Rifles and Parts. Shop Online, chat with us, or call 832-363-3783 for answers to all of your Aero Precision questions and needs.

AERO Precision Threaded Upper Receiver Features:

  • Enhanced forging giving the upper a “billet look”
  • Picatinny profile blending with enhanced series handguards
  • M4 Feedramps
  • .250 takedown pin holes
  • Laser engraved T-marks
  • Installed port door and forward assist

AERO Precision M4E1 Threaded 16″ 5.56 M4 Barrel Features:

  • Chamber: 5.56 NATO
  • Length: 16 inches
  • Twist: 1 in 7
  • Material: Chrome Moly Vanadium
  • Finish: 4150 CrMoV Barrel, QPQ corrosion resistant finish inside and out
  • Gas Block: .750
  • Gas System Length: .0785 Gas Port
  • M4 Feed Ramp Extension
  • HP and MPI Tested
  • Standard A2 Flash Hider

Atlas R-ONE Handguard Features:

  • Full top picatinny rail for attachments
  • Quick disconnect sling socket
  • Compatible with low profile gas blocks
  • 1.3 inch inside diameter
  • 1.5 inch outside diameter
  • Compatible with mil-spec AR 15 upper receivers and barrels

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