Click or scroll to zoom Tap or pinch to zoom Click or scroll to zoom Tap or pinch to zoom ASG CO2 12g Cartridge - Single by ASG €0.65 SKU gas_co2ultrair1 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart ASG CO2 12g cartridge. A single cartridge, suitable for all CO2 powered airsoft guns. Tough steel construction. Also fully compatible with Crossman cartridge guns. Fantastic value!