The Aero Precision Assembled Upper Receiver arrives with the port door and forward assist factory installed. Crafted from a 7075-T6 aluminum forging machined to MIL-SPEC including M4 feed ramps. The upper is then Type III Class 2 hardcoat anodized and laser engraved with T-marks. Compatible with all MIL-SPEC AR-15/M16 components.
- M4 feedramps
- Anodized black
- Machined for .250” takedown/pivot pins
- Laser engraved T-marks
- Includes port door and forward assist
- Weight: 8.3 oz