M4E1 15″ ATLAS R-ONE M-LOK Complete Upper

Product Overview

SKU APAR700705M97 Category

M4E1 15″ ATLAS R-ONE M-LOK Complete Upper

$433.49

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Description

M4E1 15″ ATLAS R-ONE M-LOK Complete Upper, 16″ 5.56 HBAR CMV Mid-Length Barrel – Anodized Black

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

Includes:

  • M4E1 Assembled Upper Receiver
  • 15″ ATLAS R-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 Upper Features:

  • Forged from 7075 T6 aluminum
  • Precision machined to M4E1 specs
  • M4 feedramps
  • Matte black hard coat anodized Mil 8625 Type 3 Class 2
  • Laser engraved T-marks
  • Comes assembled, with port door and forward assist installed
  • Accepts standard AR15/M16 components
  • Handguard mounting platform is forged into the receiver
  • Works with Aero Precision handguards but also fits most BAR-system handguards
  • Barrel nut and wrench are included

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
  • 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

 

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