Fairly new to the U.S. market, the FK BRNO is the big brother to the FN57. The standard barrel allows for the proprietary ammunition to be used providing excellent range and power on target, comparable to the .44 Magnum, but in a semi-automatic platform, the conversion barrel allows for the use of 10MM and .40 S&W, giving you the capability and use of 3 calibers with one pistol. Making it perfect for hiking in 4 legged critter country or taking a stroll through a 2 legged critter causeways. Coming with this deal is 100 Rounds of F9 7.5FK Ammunition, 200 Rounds of .40 S&W and 40 rounds of 10MM. Setting you up for any situation you may find yourself in.