PM-84 Glauberyt

The PP-90 is a folding submachine gun developed by the KBP Instrument Design Bureau of Russia. It was designed as a concealed carry weapon for VIP protection and special operations. The weapon folds completely flat for storage and can be deployed rapidly by rotating the two halves apart. It was chambered in 9x18mm Makarov. The PP-90 is one of the most compact submachine guns ever produced.

The ZK-383 is a submachine gun designed by the Koucky brothers at Zbrojovka Brno in Czechoslovakia. It was chambered in 9x19mm Parabellum and featured a unique quick-change barrel system. The weapon was equipped with a bipod and could be used in a light machine gun role. It was one of the few submachine guns that allowed the operator to change the rate of fire by swapping bolt weights. The ZK-383 served both Czechoslovak forces and various European nations.

The Walther MPL is a submachine gun developed by Walther for police and military use. It was chambered in 9x19mm Parabellum and used a telescoping bolt design. The MPL featured an aluminum receiver and a side-folding stock. It was developed alongside the shorter MPK variant. The MPL was adopted by several German police forces and exported to other nations.