Product DescriptionThe BYRNA TECHNOLOGIES CO2310 Replacement CO2 pack includes ten 8 gram CO2 cartridges custom fit for the Byrna HD. This pack now includes one CO2 cartridge with oil to help simplify routine maintenance after every 10 CO2 cartridges used. Each new cartridge is rated for approximately 15 to 20 rounds at full speed, making this a practical replacement and training accessory for Byrna HD owners. Please note that punctured cartridges left inside the Byrna HD will leak over time.Product Highlights Includes 10 replacement 8 gram CO2 cartridges designed for the Byrna HD Comes with 1 oiler CO2 cartridge for simple maintenance support Each new cartridge delivers approximately 15 to 20 rounds at full speed Custom-fit CO2 cartridges help support reliable Byrna HD performance Ideal for replacement use, practice sessions, and keeping spare power cartridges on hand Specs Product Type: Replacement CO2 Cartridges Cartridge Size: 8 gram Pack Quantity: 10 cartridges Included Maintenance Item: 1 oiler CO2 cartridge Compatibility: Byrna HD Estimated Capacity: 15 to 20 rounds per new cartridge UPC: 810042110656 Manufacturer Part Number: CO2310 Brand: BYRNA TECHNOLOGIES Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product&';s manufacturer.