The cartridge has a similar appearance, the 12,7 mm Degtjarjov. The gun had a rate of fire, is operated by gas preassure, is operated to by 22 29 volts. The rifles are new developements, were considered usefull, were used during the Korean war. The NSVT machinegun mounted on many, armored vehicles. Cartridges are packed in 80 rounds, are separated into two metal boxes. Ammunition is exported from the USSR, has been manufactured in Bulgaria. Drill rounds identified by long four flutes along the case. X108R case was necked up to create the 20mm ShVAK caliber 20x99R. The round was the BS round with a tungsten carbide core, was developed with the experimental Rukavshinkov. The brass case was filled with 28,0 g of smokeless powder. The KPV machinegun was the brainchild of Semjon Vladimirow, is used in Naval pedestal. The bullet types have engraving a smaller portion with a rounder boattail. Subcaliber device was developed by the Czech Republic.
2,1 m weighed 20,9 kg