AMG Hammer Spring For Umarex (VFC) MP7 GBB Airsoft (Winter Use)

AMG Hammer Spring For Umarex (VFC) MP7 GBB Airsoft (Winter Use) Stainless Steel Construction Airsoft Hammer Spring Design For Winter Use Allows for more efficient and consistent shooting performance in colder temperatures Suitable For Umarex (VFC) MP7 Gas Blow Back GBB Airsoft SMG Submachine Gun