The 7.5 cartridge/pistol system is a compact magazine fed pistol that is accurate at longer ranges, similar to carbines and large calibre pistols. Although the 7.5 has the ballistic capability of a rifle it is easy to control and engage targets at distance. Single action, tilting barrel, positive-lock mechanism pistol with a patented recoil attenuating system developed specifically to handle the potent and highly terminal 7.5 FK cartridge. The PSD Pistol comes standard with an extra dual-caliber barrel in 10 mm/.40 S&W and uses standard 7.5 FK multi-caliber magazine. Proprietary multi-caliber magazine allows the use of three calibers: 7,5 FK, 10 mm auto, and .40 S&W.