Rheinmetall Mk 20 Rh-202


The Rheinmetall Mk 20 RH-202 is a 20 mm caliber autocannon designed and produced by Rheinmetall. It fires the 20×139mm ammunition originally developed for the Hispano-Suiza HS.820.
The cannon is used on German military vehicles including the Marder infantry fighting vehicle, the Spähpanzer Luchs and some variants of the Wiesel AWC. It is also used in the Argentinian VCTP, an IFV based on the TAM chassis. A towed twin mount antiaircraft version was also produced; it was used by Argentina in the Falklands War.
German naval ships also employed Rh 202 mounts, but they have been or are currently being replaced with the new Mauser MLG 27 remote-controlled guns of 27 mm calibre.
A version modified to fire the U.S. M50 series of 20×102mm ammunition loaded into the M14 link belt has been offered to no avail for the U.S. Government by Maremont Corporation, of Saco, Maine, licensed by Rheinmetall under marketing arrangement.

20 mm twin anti-aircraft mount variant

Zwillingsflak twin-gun anti-aircraft system began development in 1968 to meet the requirements of the low-level air defence units of the German Air Force, i.e. "to engage low and very low approaching enemy aircraft with all appropriate means in time to prevent them from firing their weapons or delivering their ordnance, or at least to prevent them from carrying out an accurate attack on an air force installation."
The Budget Committee of the Bundestag approved the Zwillingsflak system in December 1969, and serial production began in 1972; the first production systems reached units of the Bundeswehr on October 12 of that year. Rheinmetall delivered the last of these in 1976.
This gun was also used by the Argentine Air Force, including during the Falklands War.
Since 1981, it was used by the Portuguese Army and Portuguese Air Force.

Operators