COWCOW Technology Enhanced Loading Nozzle Set for Marui Model 19 GBB

COWCOW Technology Enhanced Loading Nozzle Set for Marui Model 19 GBB Polymer Construction Design for Upgrade the Origainl Parts More Durable High impact resistance Superb performance, air seal and durability Including plastic nozzle valve, valve spring, nozzle, valve pin lock & 15mm piston head Suitable for Tokyo Marui Model 19 Series Airsoft Guns Gas Blow Back GBB Pistol