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 from 108 grains and 1173 grains and is predominantly used to fire heavy subsonic loads.

The ammunition used for the ShAK-12 is the 12.7×55mm straight-walled, rimless brass case based on .338 Lapua Magnum, originally developed by the same organization that developed the silenced VKS sniper rifle. [3]

2014年9月17日 · One of the interesting aspects of the 12.7x55mm cartridge is that it is capable of being loaded with very, very light bullets for caliber; one aluminum-cored loading has been reported to be as light as 7 grams (108 grains).

The RSh-12 (Russian: Револьвер Штурмовой калибра 12,7, romanized: Revolver Shturmovoy kalibra 12.7, lit. 'Assault revolver calibre 12.7') is a Russian-made revolver chambered in 12.7×55mm STs-130 .

2011年12月21日 · The KBP VKS is technically chambered for the same 12.7x55mm cartridge cases as the ASh-12, but loaded rounds are considerably different. The Ash-12 is 12.7x55mm cartridges are loaded with (relatively) light bullets, much like the .50 Beowulf and the ancient .50-70 Government.

2011年12月19日 · The 12.7x55mm case gets everything from giant 400+ grain bullets, down to lightweight, aluminum/steel bimetal 108-grain hollowpoints.

2020年2月22日 · The 6S8 VSK/VSSK rifle is chambered in 12.7x55mm and is designed to defeat targets in heavier body armor that cannot be reliably penetrated by the smaller 9x39mm cartridge.