Andy's Airsoft - brand new from Airsoft Innovations a BFG (blank firing grenade) that uses ramset rounds not blanks these are different and available at most hardware stores, do not require a
SOLD TRMR-E1 Blank Fire Airsoft Grenade | HopUp Airsoft
Zoxna Blank Firing Impact Airsoft Grenade Red | Xtremeinn
Dynatex 6209 Multishot Blank Firing Impact Grenade | Great Design