KBIS traces its history back to a small arms company Tsar Cannon LLC (Ru: ООО «Царь-пушка» OOO «Tsar'-pushka» TsP), founded by the Lobaev brothers in Tarusa in 2003 for the production of sporting benchrest rifles.
[3] Since 2009, design work has been carried out on the Tsar Cannon on a light silent rifle DVL and a special subsonic cartridge 8.6 × 39 mm.
Most of the team moves to the UAE, where they continue to work on the subject of sniper rifles as a division of the local company Tawazun Advanced Defense Systems (TADS).
The Tsar Cannons team has developed more than 20 models of self-loading and bolt-action small arms for the Military of the United Arab Emirates.
[5] The production of a new self-loaded sniper rifle codenamed "Zveroboi" with a range of over 2 km and chambered for the Cheytac cartridge is being established as of July 2023.