The KOFBCH-3F is a cumulative-fragmentation incendiary warhead weighing approximately 2.7 kg, designed to destroy heavily armored vehicles and other vehicles. It is used as the primary warhead for equipping FPV drones. Its overall dimensions and weight are currently unknown. PT-50—a mixture of TNT and RDX—is used as the explosive. A steel funnel is used to achieve the cumulative effect. It can be used with various fuses, such as UZ-2, UDZ, UDD, and EDP(r).