If you're looking for a serious Airsoft pistol then you need to go with CO2. And what better CO2 Airsoft pistol than the CO2 WG Non-Blowback Sport 1911 Airsoft Gun! With Firepower of 500 FPS this Airsoft pistol isn't for the faint of heart. The durable body makes the gun feel solid and gives it a realistic weight. The CO2 WG Sport 1911 fires in semi automatic and features a working hammer making it one of the most realistic Airsoft guns out there. So if you're looking for a great CO2 gun then do yourself a favor and get the CO2 WG Non-Blowback Sport 1911 Airsoft Gun today! CO2 cartridge is NOT included