COWCOW Technology Enhanced Loading Nozzle Set for Marui Model 17 GBB

COWCOW Technology Enhanced Loading Nozzle Set for Marui Model 17 GBB Polymer Construction Design for Upgrade the Origainl Parts High impact resistance Superb performance, air seal and durability Increase nozzle diameter to 14mm which effectively improves the performance. Including plastic nozzle valve, valve spring, nozzle, valve pin lock & 14mm piston head Suitable for Tokyo Marui Model 17 Series Airsoft Guns Gas Blow Back GBB Pistol