Byrna BOOST Adapter for SD Launcher, Black, Round, 12g CO2, 30 Shots per Cartridge

This Byrna Boost Adaptor conveniently allows you to use standard and readily available 12 gram CO2 cartridges, delivering an increase in shot capacity up to 30 rounds per cartridge (the actual number of shots available from a cartridge varies according to temperature, humidity, and other factors).