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VKS / VSSK (BKC / Vykhlop)

Bolt-Action Heavy Sniper / Anti-Material Rifle (AMR) [ 2004 ]

The VSK Heavy Sniper Rifle was designed with elements of Russian federal security forces in mind.

Authored By: Staff Writer | Last Edited: 07/17/2018 | Content ©www.MilitaryFactory.com | The following text is exclusive to this site.

CKIB SOO (the Central Design Bureau of Sporting and Hunting Weapons) of Russia designed the VKS ("Vykhlop") heavy sniper rifle to fulfill a Federal Security Service of the Russian Federation (FSB) requirement. The FSB is a special tactical military-level internal police/security force operated at the government level across Russia and was formed following the collapse of the Soviet Union (1947-1991) in 1995 - taking over the role of the KGB. with production ramping up in 2002, the VKS sniper weapon has been in service since 2004.

The VKS is arranged in a bull-pup configuration with seats the action and feed system aft of the trigger group and pistol grip. This allows a full-length barrel to be used while promoting a slightly more compact overall length when compared to traditional long guns. The rifle fires the massive 12.7x55mm STs-130 cartridge which is highly suitable against "soft" targets (such as enemy infantry, even if clad in body armor) and lightly-armored vehicles. Additionally, the rifle has the power to knock out individual exposed systems on deadlier battlefield vehicles such as Main Battle Tanks (MBTs).

The STs-130 cartridge also appeared in 2002 and forged from the .338 Lapua Magnum rifle cartridge already in existence. The case measures 2.1" in length which, with the 0.50" bullet, makes for a 3.7" long cartridge. The same cartridge is used in another Russian gun - the ASh-12.7 bullpup "battle rifle". Several variants of the base cartridge design have appeared since introduction.

The VKS is manually-operated by way of a bolt-action lever system. Each round, fed from a detachable 5-round box magazine under the shoulder stock, is individually led into the chamber by the action whilst any spend casing is ejected in a single, fluid motion by the operator. The weapon has a smooth frame and exterior black finish, cleared of many obstructions and protrusions. The pistol grip and trigger unit are seated near the midway point of the rifle's length and, over this, is the bolt-handle. Over the receiver can be fitted an optics set along a Picatinny-style rail system. Folding iron sights are also provided. The shoulder stock is padded and the magazine well is angled forward while being set behind the grip handled. Ahead of the trigger unit is a slotted forend housing the barrel. The forward end of the barrel is wholly-encased in a large suppressor which is integral to the design - allowing for clandestine ranged work by special forces units - and is somewhat unique for a weapon of this large caliber.

As it stands, the VKS is a powerful addition to the armory of FSB units, providing much-needed ranged firepower and penetration-at-range.©MilitaryFactory.com
Note: The above text is EXCLUSIVE to the site www.MilitaryFactory.com. It is the product of many hours of research and work made possible with the help of contributors, veterans, insiders, and topic specialists. If you happen upon this text anywhere else on the internet or in print, please let us know at MilitaryFactory AT gmail DOT com so that we may take appropriate action against the offender / offending site and continue to protect this original work.


Service Year

Russia national flag graphic


Bolt-Action Heavy Sniper / Anti-Material Rifle (AMR)

National flag of Russia Russia
(OPERATORS list includes past, present, and future operators when applicable)
Accuracy / Precision
Long-range accuracy / precision capable; suitable for sniping, particularly when equipped with sighting aids.
Anti-Armor / Anti-Tank / Anti-Material
Designed to engage and defeat armor / enemy tanks at range.
Special Forces
Qualities of this weapon have shown its value to Special Forces elements requiring a versatile, reliable solution for the rigors of special assignments.
This weapon is either inherently silent/suppressed or can be made so through special assembly added at the muzzle, specialized subsonic ammunition or a combination of both.

Overall Length
1,120 mm
44.09 in
Barrel Length
450 mm
17.72 in
Empty Wgt
15.43 lb
7.00 kg

Iron Sights; Supported Optics Sets.


Manually-Actuated Bolt-Action System

Manually-actuated process of managing the bolt lever to eject spent cartridge case, clearing the breech, to introduce fresh catridge into the chamber.
(Material presented above is for historical and entertainment value and should not be construed as usable for hardware restoration, maintenance, or general operation - always consult official manufacturer sources for such information)


12.7x55mm STs-130

Sample Visuals**

Graphical image of a 12.7mm / .50BMG machine gun / rifle round
Rounds / Feed

5-Round Detachable Box Magazine.
Cartridge relative size chart
*May not represent an exhuastive list; calibers are model-specific dependent, always consult official manufacturer sources.
**Graphics not to actual size; not all cartridges may be represented visually; graphics intended for general reference only.
Max Eff.Range
1,968 ft
(600 m | 656 yd)
Muzzle Velocity
985 ft/sec
(300 m/sec)

VSK - Base Series Designation
BKC - Alternative Designation
VSSK - Alternative Designation
"Vykhlop" - Alternative name taken from the development phase of the rifle's program.

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