Specifications:
- Brand: Classic Army
- Construction: Polymer
- Compatibility: For use with most airsoft M4 AEG gearboxes
- Color: Blue
Features:
- High density polymer construction
- Rotary design allows for easy adjustment
- Fully compatible with most aftermarket soft and hard rubber bucking without losing FPS or dropping BBS
- Precision rotary dial design for fine hop-up adjustments
- Compatible with any version 2 gearbox
Package Includes: 1x Hop-Up Unit, 1x Set of Hardware