COWCOW Stainless Steel Hammer Housing for Umarex / VFC Glock Series GBB Pistol Multicam etc - adjustable Rotary hopup

etc - adjustable Rotary hopup chamber

Mock safety lever

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COWCOW Stainless Steel Hammer Housing for Umarex / VFC Glock Series GBB Pistol Multicam etc - adjustable Rotary hopupUmarex G Stainless Steel Hammer HousingHighlighted featuresFully CNC Stainless Steel ConstructionEnhance and smoothen the hammer & slide action, also improved durability. The strengthened structure can bear with the stronger hammer hit. For Umarex G series**Important Notice**Each pins, hole and parts need to be lubricated before installation. It may has a condition that your pistol cannot feed the BB bullet due to lightweight gas supply. You just