AMG Antifreeze Cylinder Bulb For Umarex/ VFC VP9 GBB Airsoft

AMG Antifreeze Cylinder Bulb For Umarex/ VFC VP9 GBB Airsoft CNC Aluminum Construction Airsoft cylinder bulb Suitable For Umarex/ VFC VP9 Gas Blow Back GBB Airsoft Pistol Enhances performance in colder temperatures