The 12.7×55mm cartridge is used in some Russian firearms such as the VKS bullpup sniper rifle, the ShAK-12 bullpup battle rifle and the RSh-12 revolver. The cartridge can carry a projectile weighing between 108 grains and 1173 grains and is predominantly used to fire heavy subsonic loads.
The 12.7×55mm cartridge is used in some Russian firearms such as the VKS bullpup sniper rifle, the ShAK-12 bullpup battle rifle and the RSh-12 revolver. The cartridge can carry a projectile weighing between 108 grains and 1173 grains and is predominantly used to fire heavy subsonic loads.
Source: Wikipedia "12.7×55mm STs-130" · CC BY-SA 4.0
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