The AK-47, officially known as the Avtomat Kalashnikova (Kalashnikov's Automatic Rifle) or simply Kalashnikova or AK. It is developed in the Union of Soviet Socialist Republics by Mikhail Kalashnikov.
Trivia
AK-47 does not appears in the game, but only on the game cover, held by Christopher Stone.
External link
AK-47 on Wikipedia