Guns Modify EVO Stainless Steel Magazine Output Valve for Marui M4 MWS/ Hi-Capa Airsoft GBB

Guns Modify EVO Stainless Steel Magazine Output Valve for Marui M4 MWS/ Hi-Capa Airsoft GBB Metal Construction Design For Upgrade the Original Parts More Durable Designed to be more Robust and ideal to take the more Extreme Rigors of Green Gas usage Suitable For Tokyo Marui MWS GBB Rifle/ Hi-Capa Series Gas Blow Back GBB Pistol Airsoft Guns Magazine