AERO Precision M4E1 Threaded 18″ 5.56 Complete Upper w/ATLAS R-ONE Handguard


Click to Email Questions +

AERO Precision M4E1 Threaded 18″ 5.56 Length Complete Upper w/ ATLAS R-ONE Handguard


AERO Precision M4E1 Threaded 18″ 5.56 Length Complete Upper For Sale

AERO Precision M4E1 Threaded 18″ 5.56 Length Complete Upper in Stock at the Best Price!

Aero Precision M4E1 Threaded 18″ 5.56 Length 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 M4E1 Threaded Assembled Upper is made up of: an ATLAS R-ONE Handguard of choice, 18″ 5.56 Rifle Length CMV Barrel, Low Profile Gas Block and a Rifle Length Gas Tube. Available in black and flat dark earth, 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 M4E1 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 18″ 5.56 Barrel Features:

  • Chamber: 5.56
  • Length: 18 inches
  • Twist: 1 in 7
  • Material: 4150 Chrome Moly Vanadium
  • Finish: QPQ Corrosion Resistant Finish both inside and out
  • Gas Block Journal: .750
  • Gas System Length: Rifle
  • M4 Barrel Extension
  • HP and MPI Tested
  • Standard A2 Flash Hider

Atlas R-ONE Handguard Features:

  • Full top picatinny rail for optional attachments
  • Quick disconnect sling sockets
  • 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

Have a Question? Submit it here!