The handbook describes in a simple and accessible form the design and operation of the Kalashnikov AK-12 assault rifle of 2023. The handbook was compiled on the basis of modern domestic and foreign experience in shooting. The techniques and rules for firing from a machine gun are outlined, information on standard sights and other attachments is given. The provisions of the interstate standard on small arms and current regulations of the Ministry of Defense of the Russian Federation have been taken into account. The guide is intended for military personnel, law enforcement officers, as well as for all readers interested in modern small arms.