Guns Modify EVO Drop in Lower Full Steel Parts Set For Marui MWS GBB (Zinc Alloy Box Gei Trigger)

Guns Modify EVO Drop in Lower Full Steel Parts Set For Marui MWS GBB (Zinc Alloy Box Gei Trigger) Steel Construction Trigger Box & Parts Straight Trigger Design For Upgrade the Original Parts More Durable Suitable For Tokyo Marui MWS Series Gas BLow Back GBB Rifle Airsoft Guns