ZCI M4 Rotary CNC Aluminum Hop-up Chamber Set
The ZCI Rotary Hop-Up features a durable CNC aluminum construction. When compared to plastic hop-up chambers the aluminum chamber is able to apply more consistent pressure and maintain shape. Giving you better accuracy and increased performance!
- Durable CNC aluminum
- All parts needed to assemble included
Fitment: M4 AEG With Rotary Hop-Up