These vehicles are known as "Czekan," armored transporters based on the Ural-4320 trucks. As reported by Defence24, they're armed with a large-caliber KPV 14.5 mm machine gun mounted on top.
Additionally, several 3-STS Achmat vehicles, made exclusively for Chechen troops and based on the Ural-4320 truck chassis, were spotted. These vehicles have been modified to withstand fire from ...