7.5x27mm Ku18

The 7.5x27mm Ku18 is a rimless, bottleneck pistol cartridge developed at the request of the Ringerike Ministry of Defense to supersede the cartridge, which has been found to lack the capability to properly penetrate body armor, it acheives this by reaching a much higher muzzle velocity and energy than it's predecessor, it is in the process of being adopted by the Ringerike Armed Forces