Aero Precision M4E1 16

Aero Precision M4E1 16" 5.56mm ATLAS R-ONE Mid-Length Upper Receiver

KGM R-556I Upper Receiver w/ 5.56mm Integral Suppressor

KGM R-556I 16" OAL Upper Receiver w/ 5.56mm Integral Suppressor

Aero Precision M4E1 15" Atlas S-ONE M-LOK Complete Upper - 16" - 5.56 NATO

$479.99
Aero Precision M4E1 15" Atlas S-ONE M-LOK Complete Upper - 16" - 5.56 NATO
Availability: Out of stock
SKU
APAR700105M97

This complete upper receiver incudes an HBAR profile barrel that is laser marked "HBAR".

Includes:

  • M4E1 Threaded Assembled Upper Receiver
  • 15" ATLAS S-ONE M-LOK Handguard
  • 16" 5.56 HBAR barrel
  • Low Profile Gas Block and Mid-Length Gas Tube
  • Product comes assembled
  • This complete upper does not include BCG or Charging Handle. These products may be selected as add-ons under the FINISH YOUR BUILD tab.

M4E1 Threaded Upper 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 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
  • 1.3" Inside diameter
  • 1.5" Outside diameter
  • Compatible with mil-spec AR15 upper receivers and barrels
  • MLOK attachment points

16" 5.56 HBAR Barrel

  • 5.56 Nato 16" Barrel, 1/7 twist, 4150 CrMoV, QPQ, gas port drilled
  • .750 gas block journal
  • Mid-Length Gas System
  • M4 Feed Ramp Extension
  • HP and MPI tested
  • Standard A2 flash hider
More Information
UPC Code840014616442
ManufacturerAero Precision
Caliber.223 Rem
Barrel Length (in)16"
Rifling1:7"
Accessory RailNot Applicable
WarrantyWarranty provided by product manufacturer.
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