Balystik HPA Connector for Tokyo Marui Gas Magazine
HPA valve without drilling
Suitable For Tokyo Marui Gas Blow Back GBB Rifle Magazine With 5mm Thread
These HPA valves boots seal thanks to the addition of blocking resin on the thread, allowing different positions levels depending on the brands and models. GBB magazine with talon may require modification.
These valves are only compatible with the US version pressure couplers.
Power source - HPA with US female coupler

Installation by a professional is recommended for modifying your HPA magazine because compressed air can pose a risk if the installation is not properly carried out. Furthermore, the fact of exceeding the pressure of green gas (110PSI) can cause property damage and serious injury.