Umarex / VFC Glock 17 Gen 3/ Gen 4 Cylinder Assy (Part # 01-10)

Umarex / VFC Glock 17 Gen 3/ Gen 4 Cylinder Assy (Part # 01-10) Design For Replace the Original Cylinder Assy Suitable for Umarex/ VFC G17 Gen3/ Gen4 Series Airsoft Gas Blow Back GBB Pistol