VKS sniper rifle

VKS (ВКС) is a Russian bullpup, straight-pull bolt-action, magazine-fed sniper rifle chambered for the 12.7 x 55 mm subsonic round. The weapon is also known by the name VSSK and the additional name Vychlop, which comes from the development program. It was developed in around 2002 for the special force units of FSB.

The 12.7 x 55 mm VKS silenced sniper rifle is intended for special operations that require silent firing and penetration much superior to that provided by 9 x 39 mm VSS silenced sniper rifle. Typical targets for the VKS are combatants in heavy body armor or behind cover at a range of up to 600 meters. The weapon uses an integral suppressor.

The special round has an overall length of 97 mm. The accuracy is claimed as 1 MOA at a 100 meter range with precision bullets. Cartridge variants :
 * SC-130 (СЦ-130) - standard
 * SC-130U (СЦ-130У) - for training
 * SC-130PT (СЦ-130ПТ) - increased accuracy (59 gram bullet)
 * SC-130PT2 (СЦ-130ПТ2) - increased accuracy (solid bronze bullet)
 * SC-130VPS (СЦ-130ВПС) - increased penetration (76 gram bullet). Armour penetration : 16 mm of steel at 200 meters, or a heavy body armor at 100 meters. left to right : SC-130PT, SC-130PT2, SC-130VPS