The KSVK (Russian: Крупнокалиберная Снайперская Винтовка Ковровская (Krupnokalibernaya Snayperskaya Vintovka Kovrovskaya); English: Large-Caliber Kovrov Sniper Rifle) or Degtyarev sniper rifle is a 12.7mm anti-materiel sniper rifle developed in Russia for the purpose of counter sniping and penetrating thick walls, as well as light armored vehicles.
The KSVK anti-material (or large caliber sniper) rifle was developed in the late 1990s by ZID plant, based in Kovrov, Russia. It is based on the SVN-98 12.7mm experimental rifle.
KSVK is a Bullpup-configured, Bolt-operated, magazine-fed rifle. It is equipped with a massive muzzle device which acts as an effective muzzle brake and a sound damper.
KSVK is equipped with standard Russian side-mounted scope rail (dovetail), and can be fitted with variety of day and night scopes. Open iron sights are installed for backup or emergency purposes.