The AK - 47, AK, or as it is officially known (Russian: Автома́т Кала́шникова, tr. Avtomát Kaláshnikova, lit. Kalashnikov 's Automatic Rifle), also known as the Kalashnikov, is a gas - operated, 7.62 × 39mm assault rifle, developed in the Soviet Union by Mikhail Kalashnikov. It is the originating firearm of the Kalashnikov rifle (or "AK '') family.
what is the full meaning of ak 47
Kalashnikov 's Automatic Rifle