A visitor holds a newest assault rifle AK-19 produced by Kalashnikov Concern at an arms exhibition at the ARMY 2020 International Military and Technical Forum at Patriot Park near Kubinka, Moscow region, Russia. The new weapon based on the AK-12 in NATO caliber 5.56 millimeters has a lightweight telescopic stock with improved ergonomics, a new rear sight, and a slotted flash suppressor with the ability to quickly mount a silencer.