COWCOW Technology SS G Fire Pin Lock Spring for Marui & Umarex G Series GBB

COWCOW Technology SS G Fire Pin Lock Spring for Marui & Umarex G Series GBB Stainless Steel Construction Design For Upgrade the Origianl Parts More Durable Suitable For Tokyo Marui/ Umarex VFC G Series Airsoft Guns Gas Blow Back GBB Pistol