BYRNA 12G CO2 CARTRIDGES ARE CUSTOM FIT FOR THE BYRNA TCR / LE / SDXL / HDXL OR LAUNCHERS WITH THE BYRNA BOOST 12G ADAPTOR INSTALLED.
 
*Not compatible with Byrna SD, EP, or HD models.
 
Our box of ten 12g CO2 cylinders are custom fit for the Byrna TCR / LE / XL models and Launchers with Byrna Boost Adapter installed. Now including 1 CO2 cylinder with oil for simple maintenance.
 
It is recommended to keep an unpunctured cylinder in your launcher at all times for self-defense purposes. Punctured cylinders within your Byrna Launcher will leak over time.