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Aero Precision M4E1 Threaded Complete Upper, 16" 5.56 NATO Mid-Length Barrel, 15" M-LOK ATLAS R-ONE Handguard - Anodized Black

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Part Number:APAR700705M7
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Aero Precision M4E1 Threaded Complete Upper, 16" 5.56 NATO Mid-Length Barrel, 15" M-LOK ATLAS R-ONE Handguard - Anodized Black


This complete upper includes our new ATLAS R-ONE Handguard! The Aero Precision 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
  • 15" ATLAS R-ONE Handguard
  • 16" 5.56 CMV Barrel
  • Low Profile Gas Block and Mid-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

    ___ ___ ___

    Manufacturer:Aero Precision 
    Platform: AR15 
    Complete Upper Series: ATLAS 
    Caliber: 5.56 nato
    Barrel Length: 16"
    Weight: 54 oz 

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