Badabing Pictures takes the Umarex MP5 GBB SD3 GBB SMG made by VFC to see if it is skirmishable. This is fully licensed is available at authorised dealers near you... "Get those 80's vibes! VFC's latest generation 2 MP5 GBB SMG. After two months of evaluating, I present to you my review of the Umarex HK MP5 SD3 GBB."