Literally a BFG (Blank Firing Grenade) that can give you the most bang for the banks can be order from Incentive Designs. We first encountered this on display during the British Airsoft Show last month, and this is the I.D 5 Multi-Bang BFG. Here is a video testing the I.D 5 from Airsoft Hampshire and find out how it is a multibang BFG for airsoft and tactical training purposes.