8 Gram CO2 Cartridges plus Oiler

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Box of ten 8g CO₂ cartridges are custom fit for the Byrna SD and HD Launchers. Now including 1 CO₂ cartridge with oil for simple maintenance every 10 CO₂ cartridges used. Each cartridge (new) will be good for 15-20 rounds (4 mags in a 5 round magazine) at full speed. Punctured cartridges within the Byrna HD will leak over time.