Aero Precision M4E1 Threaded AR-15 Barreled Upper 300 BLK Atlas R-One – 16″

Features:

  • 16” .300 Blackout
  • 4150 Chrome Moly Vanadium barrel
  • HPT and MPI
  • Black Nitride finish
  • 1:7 twist rate
  • Pistol length gas system
  • M4E1 Threaded forged 7075-T6 upper
  • Hardcoat anodized
  • Laser engraved T-marks
  • Scalloped picatinny top rail
  • Built in anti-rotation tabs
  • M-LOK slots
  • Does not include BCG or charging handle

$441.99

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SKUAPAR700705M14 Category

The Aero Precision AR-15 barreled upper receiver is the perfect foundation for your next custom AR-15 build. Forged from 7075-T6 aluminum and precision machined to M4E1 specs, this receiver will ensure proper fit with Mil-Spec and aftermarket parts. It is finished in matte black hardcoat anodizing and features laser engraved T-marks.

This 16” .300 Blackout barreled upper comes with the Atlas R-One M-LOK free float handguard. The handguard features a full length picatinny top rail and a slim 1.3″ inner diameter. It is constructed of 6061 aluminum and finished in Type III hardcoat anodizing.

Whether you are building a new rifle or upgrading an existing one, the Aero Precision M4E1 Threaded AR-15 Barreled Upper Receiver is a great choice.

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