Lego minifig compatible Custom SI-Dan Toys PP90MS Bizon is highly detailed. The PP-90 is a Russian 9 mm folding submachine gun, developed by the KBP Instrument Design Bureau in Tula for use with special units of the Russian Ministry of Internal Affairs (MVD). It is designed for close quarters combat, particularly engagements that require the weapon to be deployed rapidly in unusual circumstances. The Bizon was developed at the request of the MVD and is primarily intended for counter-terrorist and law enforcement units that usually need fast and accurate fire at close ranges.