The Action Army AAP-01 CNC upper receiver is a drop-in upgrade designed to add picatinny rail on the top and bottom for the mounting of lights, lasers, and optics. The built-in iron sights are also slightly raised for easier tracking.
Compatibility:
- Action Army AAP-01 GBB Pistol
Includes:
- x1 Action Army AAP-01 Black Mamba CNC Upper Receiver Kit A