VKS

VKS (ВКС) or VSSK (ВССК) is a Russian bullpup, straight-pull bolt-action, magazine-fed sniper rifle chambered for the 12.7×55mm STs-130 subsonic round. The weapon is also known by the name VSSK and the additional name Vykhlop (Выхлоп), "Exhaust", which comes from the development program. It was developed in around 2002 for the special force units of FSB.