 Initial design of the cartridge began in the 1940s by a team of 27 unknown members.Final design was completed by N. Zabelin, L. Dvoryaninova and Y. Frolov of the TsNIITochMash in the 1980s.The intent was to create a subsonic cartridge for suppressed firearms for special forces units that had more power, range and penetration than pistol cartridges usually used in such weapons.