Nine Ball High Bullet Valve NEO R for Umarex (VFC) G17/ G18c/ G19/ G19X/ G45 GBB

Nine Ball High Bullet Valve NEO R for Umarex (VFC) G17/ G18c/ G19/ G19X/ G45 GBB Metal Construction Design For Your Gas Gun More Stability and Consistency This product Will allow you to adjust the Gas Output Depending on Weather or Desired Velocity Suitable For Umarex (VFC) G17/ G18c/ G19/ G19X/ G45 Series Airsoft Gas Blow Back GBB Pistol