The 12.7×55mm

cartridge Cartridge may refer to: Objects * Cartridge (firearms), a type of modern ammunition * ROM cartridge, a removable component in an electronic device * Cartridge (respirator), a type of filter used in respirators Other uses * Cartridge (surname) Ca ...

is used in some Russian firearms such as VKS

bullpup A bullpup firearm is one with its firing grip located in front of the Chamber (firearms), breech of the weapon, instead of behind it. This creates a weapon with a shorter overall length for a given barrel length, and one that is often lighter, ...

sniper rifle and

ShAK-12 The ShAK-12, (Russian: ШАК-12) originally under the name ''ASh-12.7'' (АШ-12.7, which stands for "Автомат штурмовой 12.7мм" or "automatic assault 12.7mm") battle rifle is a dedicated CQB/Urban Operations weapon, developed ...

bullpup

battle rifle A battle rifle is a service rifle chambered to fire a fully powered cartridge. The term "battle rifle" is a retronym created largely out of a need to better differentiate the intermediate cartridge, intermediate-powered assault rifles (e.g. the S ...

and

RSh-12 The RSh-12 is a Russian-made revolver chambered in 12.7×55mm STs-130. It fires from the bottom chamber of the cylinder (like the Chiappa Rhino and Mateba Autorevolver) rather than the more common top chamber, and is chambered for the same ammun ...

revolver A revolver (also called a wheel gun) is a repeating handgun that has at least one barrel and uses a revolving cylinder containing multiple chambers (each holding a single cartridge) for firing. Because most revolver models hold up to six roun ...

. The cartridge can carry a projectile weighing between from 108 grains and 1173 grains and is predominantly used to fire heavy subsonic loads. The high penetration VKS round can penetrate up to of steel at or body armor up to GOST 5 or NIJ III at . The accuracy of this cartridge when loaded with precision VKS bullets is claimed to be one

MOA Moa are extinct giant flightless birds native to New Zealand. The term has also come to be used for chicken in many Polynesian cultures and is found in the names of many chicken recipes, such as Kale moa and Moa Samoa. Moa or MOA may also refer ...

at up to the effective range limit of . Despite being chambered in the same cartridge, the ShAK-12 (and RSh-12) would not be able to feed or chamber rounds designed for the VKS due to significant length differences in the bullet component of the cartridge and thus requires its own, shorter, loads. The ShAK-12 rounds have less range compared to the VKS with the maximum effective range of the loads reaching in between .

Cartridge variants for use in the VKS

* STs-130 (СЦ-130) - standard * STs-130U (СЦ-130У) - for training * STs-130PT (СЦ-130ПТ) - increased accuracy (59 gram bullet) * STs-130PT2 (СЦ-130ПТ2) - increased accuracy (solid bronze bullet) * STs-130VPS (СЦ-130ВПС) - increased penetration (76 gram bullet)

Cartridge variants for use in the ShAK-12

* Legkaya Pulya (LP) or "Light Bullet" - Light supersonic sabot-born lead bullet with an aluminum core weighing 7 grams (108 grains). * Tyazhelaya Pulya (TP) or "Heavy Bullet" - Heavy subsonic lead bullet weighing 33 grams (509 grains). * Dvukhpul'niy (DP) or "Double-Bulleted" - Two bullets loaded inline weighing 17 grams (262 grains) each. * Broneboynaya Pulya (BP) or "Armor-Piercing Bullet" - Lead bullet with an armor-piercing component weighing nearly 18 grams (277 grains).

References

{{DEFAULTSORT:12.7x55mm STs-130 Pistol and rifle cartridges Subsonic rifle cartridges

Cartridge variants for use in the VKS

Cartridge variants for use in the ShAK-12

See also

References