If you prefer batteries rather than gas for pistols then the AEP is for you. In this video Classic Airsoft presents the Tokyo Marui HK45 AEP that can be fired in full auto as well as semi... "Hey guys, today I brought you the latest Tokyo Marui AEP of the lineup, namely the HK45 AEP, under 0.5J therefore free from the age of 14 and full auto possible. I hope you enjoyed the video, thanks for watching."