Dynamic Precision Enhanced Nozzle Valve for Marui M4A1 MWS GBB

Dynamic Precision Enhanced Nozzle Valve for Marui M4A1 MWS GBB Metal Construction More Durability than the Original plastic part Top quality airsoft GBB custom parts tolerate the stresses of Top / Green / Propane gas pressure. Suitable For Tokyo Marui M4A1 MWS Series Airsoft Gas Blow Back GBB Rifle