EMG x Retro Arms CNC Machined Aluminum Rotary Hop-Up Unit for M4/M16 Series Airsoft AEGs (Color: Black)
Black
Blue
Limited Edition "Frozen"Features
- CNC machined construction
- Rotary design allows for easy adjustment
- Constructed from EN AW 7075 for extended lifespan
- All necessary hardware included
- Bucking not included
Material: Aluminum alloy