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Aero Precision M4E1 5.56 Partial Upper w/ Atlas R-One Handguard - 16" Black

AR-15 Partial Upper Receiver

Out of stock

Aero Precision M4E1 5.56 Complete Upper w/ Atlas R-One Handguard - 16" Black

$484.99

This complete upper includes our new ATLAS R-ONE Handguard! The R-ONE handguards are designed with size and weight in mind, while still providing plenty of real-estate to accommodate any attachment needs the end user may have. Our proprietary ATLAS attachment system is a durable and dependable mounting platform, maintaining a slim profile while still providing the strength and stability customers have grown to love from Aero Precision handguards.

 

Includes:

  • M4E1 Threaded Assembled Upper Receiver
  • ATLAS R-ONE Handguard of choice
  • 16" 5.56 CMV Barrel
  • Low Profile Gas Block and Carbine 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 Feedramps
  • .250 takedown pin holes
  • Laser engraved T-marks
  • Includes port door and forward assist installed

 

ATLAS R-ONE Handguard Features:

  • 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 Features:

  • 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
More Information
SKU APAR700705M7
Product Type AR-15 Partial Upper Receiver
Manufacturer Aero Precision
Gas Block Diameter .750"
Thread Pitch 1/2x28
Inside Diameter 1.3"
Gas Length Mid
Rail Length 15"
Barrel Length 16"
Caliber 5.56 NATO