The Swiss Arms PT92 M9 Tactical Co2 Airsoft pistol is a powerful, high efficiency, and affordable full size gas pistol for those looking for a side arm for Airsoft. This 1:1 scale replica of the PT92 M9 is equipped with a highly efficient non-blowback firing system allowing a 12g Co2 cartridge to fire up to and over 130 rounds of bb at 370~400 FPS! That is 4~6 times more efficient than most Airsoft pistols and at higher FPS output.