"A gunman was neutralized during the counterterror operation in the Botlikh District of Dagestan," the statement said.
The neutralized man had links to the Daesh terror group the National Anti-Terrorism Committee said in a statement.
Security services have also found a sniper rifle with ammunition, a grenade, a radio facility and a thermal observation device.
The regime of a counterterror operation was introduced in the village of Andi of the Dagestan's Botlikh District on Saturday at 12:40 GMT.
*A terrorist group outlawed in Russia