Aero Precision M4E1-E Complete Upper, 20" 5.56 Rifle Barrel, Quantum 15" M-LOK HG - Anodized Black

SKU# 2526 | by Aero Precision
  |  
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$419.99
$376.95
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This Complete Upper includes our Quantum Handguard! Key features include the addition of built in anti-rotation tabs, removable 4-slot picatinny rail section for front sight and a 7 mounting surface for accessories.

Includes:

  • M4E1 Enhanced Assembled Upper Receiver
  • Quantum Handguard of choice
  • 20" 5.56 Rifle Length CMV 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 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

Quantum Handguard Features:

  • 1pc free float design
  • Removable 4-slot picatinny rail section for front sight
  • Built in anti-rotation tabs
  • 7 mounting surfaces for KeyMod accessories
  • 1.78" inside diameter fits most muzzle devices and 1.5" suppressors
  • Compatible with low profile gas blocks

20" 5.56 Rifle Length Barrel Features:

  • 5.56 Nato 20" Rifle Length Barrel
  • 4150 CrMoV w/ QPQ finish
  • 1/7 twist
  • Government Profile
  • .750 gas block journal
  • Rifle length gas system
  • M4 Feed Ramp Extension
  • HP and MPI tested
  • Standard A2 flash hider

Specifications:

  • Made In AMERICA: Yes
  • Platform: AR-15
  • Series: M4E1
  • Caliber: 5.56 NATO
  • Barrel Length: 20"
  • Weight: 66.7 oz
  • Other: No

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