The OTs-39 was unveiled in 1999. It fires the 7'62-Tokarev round, its design is an improvement upon previous Russian subguns in that caliber and it's blowback in function. It has an ambidextrous fire selector switch on each side of the weapon allowing instant access to the user, the weapon can be equipped with an integral laser aiming module for close quarters use. Fires in semi or full-auto fire the 7'62-Tokarev round, feeding from 20, 30 or 42-rounds magazine.
Picture and Information from: PIERANGELO TENDAS