Brownells 75th Anniversary - A Shooting Heritage
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The AR15 Assembled Upper Receiver comes with the port door already installed. This specific model does not have forward assist provisions. Forged from 7075-T6 aluminum, this assembled upper is precision machined to mil-spec M16/M4 specifications and features M4 feedramps. Match this upper with one of our AR15 lower receivers for a solid and dependable fit.

  • M4 Feedramps
  • .250 takedown pin holes
  • Lazer engraved T-marks
  • No forward assist provisions
  • Port door installed
  • AR15 Assembled Upper Receiver Without Forward Assist in Anodized Black

Note: The no-forward assist upper receivers use a custom forging designed to work specifically with mil-spec port doors. It may not work with aftermarket port doors."

 

AERO PRECISION - AR-15 ASSEMBLED UPPER RECEIVER 5.56MM

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Cartridge: 5.56 mm NATO

Finish: Black

Style: Stripped