The Heckler & Koch UMP (Universale Maschinenpistole, German for “Universal Submachine Gun”) is a submachine gun developed and manufactured by Heckler & Koch. Heckler & Koch developed the UMP as
The Heckler & Koch UMP (Universale Maschinenpistole, German for “Universal Submachine Gun”) is a submachine gun developed and manufactured by Heckler & Koch. Heckler & Koch developed the UMP as