“Vepr” rifles are semi-automatic firearms designed with the use of the design solutions practiced in M.T. Kalashnikov’s firearms systems. The rifles are manufactured in calibers 7.62x39, 7.62x51 (.308 Win), 5.56x45 (.223 Rem), 7.62x54R. The distinctive feature of “Vepr” rifles is the orthopedic wooden thumbhole butt stock with pistol grip. The design of “Vepr” rifles in calibers 7.62x51 (SOK-95) and 7.62x54R (VPO-123) allows the attachment of a flame arrester. The left side of the receiver is equipped with a scope mount base. The trigger mechanism of hammer type provides the delivery of a single shot and setting at safe.