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Aero Precision

Aero Precision M4E1 Enhanced Complete 5.56 Upper - 16"

Aero Precision M4E1 Enhanced Complete 5.56 Upper - 16"
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This Complete Upper includes our Gen 2 Enhanced Handguard! Key features include the addition of quick disconnect sling sockets, enhanced milling design for grip and visual appeal and a new profile for the picatinny top rail.



  • M4E1 Enhanced Assembled Upper Receiver
  • Enhanced Handguard
  • 16" Barrel
  • Low Profile Gas Block and Carbine Length Gas Tube
  • Product comes assembled
  •  Include BCG or Charging Handle


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 (Anodized only)
  • 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


Gen 2 Enhanced Handguard Features:

  • 1pc free float design
  • Built in anti-rotation tabs
  • Scalloped rails
  • Continuous top rail
  • 1.78" inside diameter fits most muzzle devices and 1.5" suppressors
  • Compatible with low profile gas blocks
  • Gen 2 Feature - Quick disconnect sling socket at the 3, 6 and 9 o’clock positions
  • Gen 2 Feature - Additional milling along flats to aid with gripping and add visual appeal
  • Gen 2 Feature - New profile for the continuous picatinny top rail


16" 5.56 Mid Pencil Barrel Features:

  • 5.56 Nato 16" Barrel, 1/7 twist, 4150 CrMoV, QPQ, gas port drilled
  • .625 gas block journal
  • Carbine-Length gas system, .0785 gas port
  • M4 Feed Ramp Extension
  • HP and MPI tested
  • Standard A2 flash hider


Additional Info

Additional Info

SKU APAR640232M55
Manufacturer Aero Precision
Finish Black
Barrel Length 16"
Caliber 5.56
Configuration M-LOK
Option No
Gas Length No
Height No
Rail Length No
Mount No
Profile No
Reticle No
Co Witness No
Size No



Feel free to ask us any question regarding this product.