Dynamic Precision Enhanced Nozzle Valve for Umarex (VFC) G17 Airsoft GBB Pistol

Dynamic Precision Enhanced Nozzle Valve for Umarex (VFC) G17 Airsoft GBB Pistol Aluminum Construction (Lightweight) Design For Upgrade the Original Parts More Durable Suitable For Umarex (VFC) G17 Series Gas Blow Back GBB Pistol Airsoft Guns