Hispano-Suiza HS.820

Common card · No. 418108

The HS.820 is a 20 mm caliber autocannon developed by Hispano-Suiza primarily for aircraft use, but more widely used in a series of ground-based anti-aircraft guns. After Oerlikon purchased Hispano's armaments division in 1970, the HS.820 became the Oerlikon KAD, supplanting Oerlikon's own KAA and KAB weapons in the process. A US-built model, the M139, was used on the M114A1E1 and M114A2 Armored Command & Reconnaissance Carrier.

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