Army Force 40mm Co2 Grenade Gas Cartridge Shell Long Type Paintball/BB ShowerArmy Force 40mm Co2 Grenade Gas Cartridge Shell Long Type Paintball BB Shower Made out of metal. Gas Grenade can be filled with BB pellets, paintballs or color powder and shoot these over great distances with a loud sounding bang. A very large & huge cloud of gas is emitted when fired. Fit all 40mm Launcher: ARES, STAR, CA, Mosquito Mold, Sun Project, G&P M203 Launchers & CAW M79 etc. Effective Distance is 20 30 meter. Include 10pcs plastic plug.(plug