Streetwise The Heat Pepper Launcher 12G CO2 A higher-quality, cleaner gas in a superior-engineered cylinder can influence the lifetime and performance of any airgun. Investing in premium cylinders is a simple way to ensure longer-lasting, Air pistol precision performance. Fits Most Airguns Designed For Use With 12G CO2 Cylinders Compact, Lightweight Design Stable Power Output Airguns are not toys. Misuse or careless use may cause serious injury. Be careful - Shoot safely. 12 grams of CO2 gas under pressure. Do not mutilate or heat above 122 F (50 C). CO2 gas is not human consumption. Keep away from children.