Guns Modify EVO Stainless Steel Magazine Output Valve for Marui M4 MWS/ Hi-Capa GBB (3pcs)

Guns Modify EVO Stainless Steel Magazine Output Valve for Marui M4 MWS/ Hi-Capa GBB (3pcs) Stainless Steel Construction Design For Upgrade the Original Parts More Durable Ideal to take the more Extreme Rigors of Green Gas Usage Suitable For Tokyo Marui M4 MWS Series Gas Blow Back GBB Rifle Airsoft Guns Also Fit For Tokyo Marui Hi-Capa Series Airsoft Gas Blow Back GBB Airsoft Pistol