The PP 19-01 «Vityaz-SN» submachine gun, based on the AK105, was designed to use 9x19 mm pistol rounds to meet the demands of special operations units of the Russian Ministry of Internal Affairs.
The Vityaz-SN submachine gun is a successful design suitable for use by any operator from special units to individual military personnel for security purposes.
Most 9x19 mm cartridges can be used with the PP 19-01.
The use of a pistol round allowed use a simple and reliable blowback action.
The dust cover is fitted with a Picatinny rail on top for mounting scopes, and Picatinny rails on the bottom and right sides of the polymer handguard for various accessories.