This M92 styled pistol is semi auto blow back and firing around 340 fps with 0.2g bbs. Being co2 gun gives a beatiful kick and nice snappy feel. This comes with a 25rd CO2 magazine and threaded muzzle to enable you to fit a suppressor or perfect for the Xcortech XT301 . This has a full metal slide and frame and full metal magazine. This should fire about 40 shots from one Co2 capsule.