P365 BB GUN - Modeled after its award-winning 9mm counterpart, the P365 Air Pistol is the perfect way to practice your concealed carry handgun; This SIG SAUER air pistol is the economic, authentic answer to training more often and more effectively SEMI-AUTOMATIC CO2 POWERED - The SIG AIR line of BB pistols features CO2- powered duplicates of the most desired SIG SAUER centerfire pistols in a 4.