CNC Aluminium Double O-Ring Piston Head For Gel Blaster V2/3 Gearbox

Feature：

• Lightweight CNC Aluminium Construction
• Dual O-Ring for better air sealing.
• Bottom Use Rubber Pad.
• Making each shot smooth and lock-free.
• It also stabilizes the loading system.
• Suitable For AEG Ver.2/3 Gearbox. JM Gen 8/9/10