COWCOW Technology Enhanced High Flow Nozzle Valve with Valve Spring for Mauri Hi-Capa GBB

COWCOW Technology Enhanced High Flow Nozzle Valve with Valve Spring for Mauri Hi-Capa GBB Aluminum Construction Designed for lower powered legal limits in Japan Suitable For Tokyo Marui Hi-Capa Series Airsoft Gas Blow Back GBB Pistol