Aero Precision 16″ ATLAS R-ONE M4E1 Threaded Complete Upper (No forward assist)

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Aero Precision 16″ ATLAS R-ONE M4E1 Threaded Complete Upper (No forward assist)

$438.00$638.00

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Description

New from Aero, this complete upper is built to the same standards and quality as the M4E1 threaded uppers but cuts down on size and weight by removing the forward assist. With a 16″, 1:7 twist barrel and mid-length gas system you can expect reliable and accurate shooting while the 15″ ATLAS R-ONE free-floating handguard gives plenty of real-estate for optics and accessories.

Includes:

M4E1 Threaded Upper Receiver, No Forward Assist:

  • 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
  • Includes port door installed

ATLAS R-ONE Handguard:

  • Full top picatinny rail for optional attachments
  • 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

16″ 5.56 Mid-Length Barrel:

  • 5.56 NATO 16″ Midlength, 1/7 twist, 4150 CrMoV, QPQ, gas port drilled
  • .750 gas block journal
  • Mid-length gas system, .0785 gas port
  • M4 Feed Ramp Extension
  • HP and MPI tested
  • Standard A2 flash hider

Optional Add-ons:

5.56 Bolt Carrier Group:

  • M16-cut carrier
  • Machined from 8620 Tool Steel (Carrier) and 9310 Steel (Bolt)
  • Carrier has forward assist serrations
  • Black Nitride Finish – advanced lower friction coating that minimizes the need for lubricants and cleaning
  • Properly staked gas key
  • Shot peened
  • HPT tested/MPI marked
  • Black o-ring insert on extractor

AR15/M4 5.56 Charging Handle:

  • Tried and True Standard Charging Handle
  • Made of 7075 Aluminum
  • Black Anodize
  • Caliber – 5.56

AR15 BREACH Ambi Charging Handle w/ Large Lever:

  • Ambidextrous Controls
  • Made of 7075 Aluminum
  • Black Anodize
  • Caliber – 5.56
  • Gas Deflection Shelf redirects gas flow away from the users face
  • Reduced chamfer angles resist rotational flex or breakage

 

Additional information

Charging Handle

None, Mil-spec, Ambidextrous BREACH

Bolt Carrier Group

None, Nitride