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KCB naval gun

Country of Origin: Switzerland


The Swiss 30-mm Oerlikon KCB automatic cannon is used in armored fighting vehicles and as a lightweight naval gun mount. It began development as the Hispano-Suiza HS 831, and was redesignated KCB by Oerlikon when that company acquired the HS cannon designs.

The KCB is a gas-operated cannon fired from the open breech position that uses propellant gas to unlock the bolt and breech during the firing cycle. It can be clip-fed or belt-fed, the belt feeds being set up from either the...

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