APPG600231P42 - Aero Precision M4E1 Enhanced 18" .223 Wylde Upper Receiver
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Aero Precision M4E1 Enhanced 18" .223 Wylde Upper Receiver

Price: $534.99
SALE PRICE: $489.00
  • Item #: APPG600231P42
  • Manufacturer: Aero Precision
Availability: Not Available

This Complete Upper includes the Aero Precision 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 (Anodized black or FDE Cerakote)
  • Enhanced Handguard of choice (Anodized black or FDE Cerakote)
  • 18" .223 Wylde Rifle Length 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. These products can be found on our website if interested.

M4E1 Upper Features:

  • Forged from 7075 T6 aluminum
  • Precision machined to M4E1 specs
  • M4 feedramps
  • Anodized black or FDE Cerakote (depending on selection)
  • Laser engraved T-marks (Anodized black only, not on FDE)
  • 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
  • Anodized black or FDE Cerakote (depending on selection)
  • 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

18" .223 Stainless Steel Rifle Length Barrel Features:

  • .223 Wylde 18" Rifle Length Barrel, 1/8 Twist
  • 416R Stainless Steel
  • Bead Blasted Finish
  • .750 gas block journal
  • Rifle length gas system
  • M4 Feed Ramp Extension
  • HP and MPI tested
  • Standard A2 flash hider
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