10 count box — 8 or 12 gram

Byrna 8 gram CO₂ cartridges are custom fit for the Byrna SD Launcher. Includes 1 CO₂ cartridge with oil for simple maintenance every 10 CO₂ cartridges used.

Byrna 12 gram CO₂ cartridges are custom fit for the Byrna SD XL Launcher but does not include an oiler cartridge.