The AK-47 has been used.
AK-47 . In the spring of 1949 , the AK-47 was officially accepted by the Soviet Armed Forces and used by the majority of the member states of the Warsaw Pact . Even after almost seven decades , the model and its variants remain the most popular and widely used assault rifles in the world because of their substantial reliability under harsh conditions , low production costs compared to contemporary Western weapons , availability in virtually every geographic region and ease of use . The AK-47 has been manufactured in many countries and has seen service with armed forces as well as irregular forces worldwide , and was the basis for developing many other types of individual and crew-served firearms .