Retro Arms CNC Machined Aluminum Rotary Hop-Up Unit for M4 Series Airsoft AEGs - Red
Features:
- CNC machined construction
- Black anodized finish
- Rotary design allows for easy adjustment
- Constructed from EN AW 7075 for extended lifespan
- All necessary hardware included
- Bucking not included
Compatibility: Most M4 series Airsoft AEGs
Material: Aluminum alloy
Manufacturer: Retro Arms