Aero Precision M5E1 Enhanced 18" Complete Upper - .308

Aero Precision M5E1 Enhanced 18" Complete Upper - .308

Aero Precision M5E1 Enhanced 18
Aero Precision M5E1 Enhanced 18

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SKU APAR308554M26
Manufacturer Part Number APAR308554M26
Caliber .308

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.


  • M5E1 Assembled Upper Receiver
  • Gen 2 Enhanced Handguard of choice
  • 18" .308 Stainless Steel Barrel
  • Low Profile Gas Block and Rifle Length Gas Tube
  • Product comes assembled
  • This complete upper does not include a BCG or Charging Handle.

M5E1 Upper Features:

  • Forged from 7075 T6 aluminum
  • Precision machined to our specs
  • M4 feedramps
  • Laser engraved T-marks (Anodized only)
  • .2795” takedown pin holes
  • Accepts standard AR .308 components
  • Comes with forward assist and port door installed
  • Handguard mounting platform is forged into the receiver

NEW Gen 2 Enhanced Handguard Features:

  • Added quick disconnect sling socket at the 3, 6 and 9 o'clock positions
  • Milled additional surfaces along flats to aid with gripping and add visual appeal
  • New profile of the Picatinny Top Rail
  • 1pc free float design
  • Rail is Machined from 6061-T6 Aluminum
  • 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
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