Aero Precision M4E1 Enhanced Barreled Upper 5.56 with FSB Gen 2 - 10.5"

Manufactured by Aero Precision
SKU: APAR640211M3
MPN: APAR640211M3
Manufactured by Aero Precision
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$378.24

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NOTE: Limit 1 per household. Quantities exceeding 1 will not allow checkout.

Details

Details

Note: This barreled upper receiver assembly has a barrel length under 16” and is therefore subject to all NFA rules and regulations. Know your local laws before purchasing.

The Aero Precision AR-15 barreled upper receiver is built around the M4E1 Enhanced upper receiver with built in handguard mounting platform. The receiver is forged from 7075-T6 aluminum and precision machined to M4E1 specs to ensure proper fit with Mil-Spec and aftermarket parts. It is matte black hardcoat anodized and features laser engraved T-marks on the upper picatinny rail. This 10.5” 5.56 barreled upper comes with the Enhanced Gen 2 M-LOK free float handguard that features improved ergonomics, and a lightweight design with scalloped picatinny top rail. It also features a large 1.78” inside diameter for use with suppressors.

Features:
  • 10.5” 5.56 barrel
  • 4150 CMV barrel
  • HPT and MPI
  • Salt bath Nitride finish
  • 1:7 twist rate
  • Carbine length gas system
  • Front sight gas block
  • M4E1 Enhanced forged 7075-T6 upper
  • Hardcoat anodized
  • Laser engraved T-marks
  • Scalloped picatinny top rail
  • Built in anti-rotation tabs
  • M-LOK slots
  • Forged handguard mount
  • Compatible with most BAR-system handguards
  • Does not include BCG or charging handle


The 5.56 10.5” barrel is machined from 4150 Chrome Moly Vanadium steel with a salt bath Nitride finish, a carbine length gas system with front sight gas block, and a 1:7 twist rate for heavier bullets. It has an M4 feed ramp barrel extension and is magnetic particle inspected as well as high pressure tested. A standard A2 flash hider with 1/2x28 threading is attached to the muzzle.

Aero Precision takes some of the most state-of-the-art manufacturing techniques and equipment derived from their work in the aerospace industry and applies it to their products in the firearms industry. They have utilized their knowledge from years of building aircraft components to design and engineer AR-15 handguards, receiver sets, scope mounts, and more. They treat every product as if it were a precision flying machine and adhere to strict quality standards to ensure law enforcement, military, and civilian customers receive a product they can rely on.
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Specifications

Barrel CoatingSalt Bath Nitride
Barrel ContourGovernment
Barrel Length10.5
Barrel LiningSalt Bath Nitride
Barrel Material41V50 Chrome Moly Vanadium Steel
BrandAero Precision
Caliber Gauge5.56 NATO
Gas System LengthCarbine
Gas System TypeDirect Impingement
Handguard7 in Aero Precision Enhanced Gen 2 M-LOK Rail
Muzzle DeviceA2 Flash Hider
Thread Pattern1/2 X 28
Twist Rate1:7

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