The KJW MK2 Full Metal CO2 Pistol is a fantastic airsoft gun, newest updated CO2 version. Since the airsoft model is a non-blow back, all of the Co2 is used to propel the BB, allowing it to reach ~400FPS. This pistol has a very comfortable feel and is fun to shoot. This gun is a great choice for those interested in video game based load outs or cosplays. Unique pistol grips and CO2 power in full metal construction. Very neat!