The Grand Power K100 Mk12 is a rotating-barrel DA/SA pistol manufactured in Slovakia, sharing the rotating barrel operating system concept with the Beretta PX4 but developed independently. The Mk12 designation indicates the current production variant with improved ergonomics and updated finish. The K100 platform is notable for its very low bore axis achieved through the rotating barrel design. Type: Semi-Auto Pistol Action: Double-Action/Single-Action Caliber: 9mm Capacity: 15 Year introduced: 2014, Slovakia Weight: 28 oz Overall length: 7.5" Status: Active Intended use: defense, sport, duty