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Aero Precision M4E1-T Upper, Complete 11.5″ – Anodized

SKU: APAR700302M29


In stock

In Stock


This Aero Precision M4E1-T Upper, Complete 11.5″ – Anodized includes Aero Precision’s new ATLAS S-ONE Handguard! The S-ONE line of handguards are designed with size & weight in mind, providing the perfect addition to your lightweight build. The proprietary ATLAS attachment system is a durable & dependable mounting platform, maintaining a slim profile while still providing the strength & stability customers have grown to love from Aero Precision handguards.


  • M4E1 Threaded Assembled Upper Receiver
  • 9″ ATLAS S-ONE M-LOK Handguard
  • 11.5″ 5.56 CMV Barrel, Carbine Length
  • Low-Profile Gas Block & Carbine-Length Gas Tube
  • Product comes assembled
  • The muzzle brake that comes with this complete upper receiver is NOT pinned nor welded to this barrel.

M4E1 Threaded Upper Receiver Features:

  • New enhanced forging that gives the upper receiver a “billet look”
  • New picatinny profile
  • M4 Feed ramps
  • .250 takedown pin holes
  • Laser engraved T-marks
  • Includes port door & forward assist installed

ATLAS S-ONE Handguard Features:

  • Front & 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 & 9 o’clock positions
  • Compatible with low-profile gas blocks
  • 1.3″ Inside diameter
  • 1.5″ Outside diameter
  • Compatible with mil-spec AR-15 upper receivers & barrels

11.5″ 5.56 Barrel Features:

  • 5.56 NATO 11.5″ Barrel, 1/7 twist, 4150 CrMoV, QPQ, gas port drilled
  • Government Profile
  • .750 gas block journal
  • Carbine length gas system, .0785 gas port
  • M4 Feed Ramp Extension
  • HP & MPI tested
  • Standard A2 flash hider

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