Byrna 88-Gram CO₂ CartridgesThe Byrna 88 Gram CO Cartridges are specifically designed to power your Byrna Mission 4 Rifle, ensuring optimal performance during your training sessions and defensive scenarios. Each box contains two 88 gram CO cartridges, providing the energy needed to keep your launcher ready for action. Key Features: High Capacity: Each 88 gram cartridge allows for approximately 60 shots, equivalent to three full 19 round magazines. This ensures extended use