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Aero Precision M4E1 .223 Wylde Partial Upper Receiver w/ ATLAS S-ONE Handguard - 18" Fluted Black

AR-15 Partial Upper Receiver

$584.99

This Complete Upper now includes Aero's 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.


Includes:

  • M4E1 Enhanced Assembled Upper Receiver
  • Enhanced Handguard of choice
  • 18" .223 Wylde SS Fluted Barrel
  • Low Profile Gas Block and Rifle Length Gas Tube
  • Product comes assembled
  • This complete upper does not include BCG or Charging Handle. These products may be selected as add-ons under the FINISH YOUR BUILD tab


M4E1 Enhanced 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


18" .223 Wylde 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
  • ALL NEW Fluted Design
  • Barrel Weight: 28 oz


Specifications:

  • Platform: AR15
  • Series: M4E1
  • Caliber: .223 Wylde
  • Barrel Length: 18"
  • Weight: 51.34 oz
More Information
SKU APAR700305M51
Product Type AR-15 Partial Upper Receiver
Manufacturer Aero Precision
Color Black
Barrel Length 18"
Caliber .223 Wylde
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