20mm Exercise Training round Rh-202 HS.820 20x139mm anti-aircraft inert shell
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Inert exercise / training round used in the Rheinmetall Mk 20 Rh-202 or HS.820. This 20x139mm casing is made of plastic and has a steel base. The Rheinmetall Mk20 Rh-202 is a 20mm autocannon designed and produced by Rheinmetall. It fires the 20x139mm ammunition originally developed for the Hispano-Suiza HS.820.
