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DS 30B mount

Country of Origin: Britain


The DS 30B is a power-traversed light anti-small craft mount in service on several British Royal Navy ships. Although the mount was tested with a Rarden 30-mm cannon, production versions are fitted with the BMARC/Oerlikon 30-mm KCB automatic cannon.

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 are able to be set up from either the...

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