Kung Fu Inlet Valve Set for Tokyo Marui Hi-Capa 5.1 GBB Magazine (018)

Kung Fu Inlet Valve Set for Tokyo Marui Hi-Capa 5.1 GBB Magazine (018) Metal Construction Airsoft Inlet Valve Set Design For Replace the Original Magazine Inlet Valve Suitable For Tokyo Marui Hi-Capa 5.1 GBB Gas Blow Back Airsoft Pistol