VKS (Ð’ÐšÐ¡) is a Russian bullpup, straight-pull bolt-action, magazine-fed sniper rifle chambered for the 12.7 x 54 mm subsonic round. The weapon is also known by the name VSSK and the additional name Vykhlop, which comes from the development program. It was developed in around 2002 for the special force units of FSB (Federal Security Service, successor of Soviet KGB).
The 12.7 x 54 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 covers at a range of up to 1000 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.
SC-130 (Ð¡Ð¦-130) - standard
SC-130U (Ð¡Ð¦-130Ð£) - for training
SC-130PT (Ð¡Ð¦-130ÐŸÐ¢) - increased accuracy (59 gram bullet)
SC-130PT2 (Ð¡Ð¦-130ÐŸÐ¢2) - increased accuracy (solid bronze bullet)
SC-130VPS (Ð¡Ð¦-130Ð’ÐŸÐ¡) - increased penetration (76 gram bullet).
Caliber: 12.7x54mm special subsonic
Operation: manually operated, straight pull bolt action
Weight: 5 kg empty, less cope and silencer; 6.5 kg with scope and silencer, less ammunition
Length: 1125 mm with integral silencer
Feed Mechanism: 5 rounds detachable box magazine.