Product Description Keep your CO2-powered airguns running smoothly with Sig Sauer Airguns AC1240 prefilled CO2 cylinders. Each box includes 40 standard 12-gram cartridges designed to fit airguns that use standard 12g CO2 air ports, delivering stable power output for consistent performance during target practice and recreational shooting sessions. Product Highlights 40-count bulk box of prefilled 12-gram CO2 cartridges for extended range days and regular use Designed for CO2 airguns that accept standard 12g (standard-neck) cartridges Stable, consistent output to help maintain reliable airgun performance Convenient, ready-to-use cylinders1190 tool-free power source for many CO2 platforms Genuine Sig Sauer Airguns accessory for compatible CO2-powered airguns Specs Brand: Sig Sauer Airguns Manufacturer Part Number: AC1240 UPC: 798681537532 Cartridge Type: CO2 cylinder/cartridge Cartridge Size: 12 gram Pack Quantity: 40 per box Compatibility: Fits standard 12-gram CO2 air ports (standard-neck) 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 products manufacturer.