COWCOW Technology Stainless Steel Guide Rod Set for Marui Model 17 Gen4 GBB

COWCOW Technology Stainless Steel Guide Rod Set for Marui Model 17 Gen4 GBB Stainless Steel Construction Design For Upgrade the Original Parts More Durable Designed to be a drop-in fit that increases the cycling performance of the pistol Suitable for Tokyo Marui Model 17 Gen4 Series Airsoft Gas Blow Back GBB Pistol