T8 Enhanced 60 Degree Piston Head for Marui MWS Airsoft GBB

T8 Enhanced 60 Degree Piston Head for Marui MWS Airsoft GBB Rubber Construction 60 Degree Piston Head Design For Upgrade the Original parts More Durable Suitable For Tokyo Marui M4 MWS Series Gas Blow Back GBB Rifle Airsoft Guns