MadBull Airsoft 6mm Grenade Gas Cartridge - Yellow (48 rounds): $40 — SOLD MadBull Airsoft CO2 High Power Grenade Shell - Red (108 rounds) : $50 — ALL SOLD Madbull 204 Round King shower Airsoft Grenade Shell - Gold (204 rounds) : $55 Used only a couple of these only once but are in perfect condition