In stock at Action Hobbies is one powder shot gas foam grenades from MadBull Airsoft... "Create your own game and play with the PS-02 Gas Powder Shot Toy Foam Hand Grenade. Designed for Paintball / Airsoft use during the game. It is extremely light (90% made of foam), act like real (sponge, pin, and dummy hammer), and cheap. This is the Black gas version and designed for use with Ultra gas."