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The Aero Precision upper receiver is considered to be one of the best on the market. It is perfectly machined to provide you the the best fitment and function. This is a fantastic base for any upper.
Assembled Upper Receiver comes with the port door and forward assist already installed. Forged from 7075-T6 aluminum, this assembled upper is precision machined to mil- spec M16/M4 specifications and features M4 feedramps.
FEATURES:
- M4 Feedramps
- .250 takedown pin holes
- Laser engraved T-marks
- Includes port door and forward assist
