The Heckler & Koch

Heckler & Koch

Heckler & Koch GmbH is a German defense manufacturing company that produces various small arms. Some of their products include the SA80, MP5 submachine gun, G3 automatic rifle, the G36 assault rifle, the HK 416, the MP7 personal defense weapon, the USP series of handguns, and the high-precision...

 MP2000 was an attempt to improve the MP5

Heckler & Koch MP5

The Heckler & Koch MP5 is a 9mm submachine gun of German design, developed in the 1960s by a team of engineers from the German small arms manufacturer Heckler & Koch GmbH of Oberndorf am Neckar....

 series. Prototypes of the gun showed similarities to the UMP

Heckler & Koch UMP

The UMP is a submachine gun developed and manufactured by Heckler & Koch. The UMP has been adopted by various agencies such as the U.S. Customs and Border Protection...

. An interesting feature of this gun was that it featured a silencing system which prevented the bullet from reaching supersonic speeds by venting some of the propellant gases. The gas vent hole could be closed in order to achieve normal bullet velocities.