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Byrna 12 Gram CO2 Cartridges 10 Pack XL SD w Boost

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Byrna 12G CO2 cartridges are custom fit for the Byrna HD XL, SD XL, HD, SD with Byrna boost adaptor, and Byrna TCR. It is recommended to swap out punctured CO2 cartridges and leave an un-punctured cartridge inside the Byrna HD to avoid any compressed air loss. The Byrna HD will puncture and fire the first round at the same time.
  • Custom fit for the Byrna HD with Byrna Boost 12G adaptor
  • Increases shot capaicty to 30 rounds per cartridge