On March 17, 1958, gunsmith designers K. I. Shekhvatov ("К. И. Шехватов") and V. L. Chernopyatov ("В. Л. Чернопятов") submitted to the Committee on Inventions and Discoveries of the Council of Ministers of the Soviet Union an application for the invention of "an universal double-barreled combination gun for small and medium-sized game hunting".