AMG Hammer Spring For Umarex/ VFC VP9 GBB Airsoft (Winter Use)

AMG Hammer Spring For Umarex/ VFC VP9 GBB Airsoft (Winter Use) Stainless Steel Construction Airsoft Hammer Spring Design For Replace the Original Airsoft Internal Parts Winter Use Suitable For Umarex/ VFC VP9 Gas Blow Back GBB Airsoft Pistol