COWCOW Technology Aluminum CNC AL High Flow Nozzle Valve for Marui Model 19 GBB Pistol

COWCOW Technology Aluminum CNC AL High Flow Nozzle Valve for Marui Model I9 GBB Pistol Aluminum Construction (Ultra lightweight) Design For Upgrade the Original Parts More Durable Suitable For Tokyo Marui Model 19 / 17 Series Airsoft Gas Blow Back GBB Pistol