AK-100 Naval gun
The AK-100 is a Russian-built 100mm naval cannon, with a maximum rate of fire of 60 rounds per minute, firing a 26.8 kg munition in HE anti-air or HE fragmentation varieties.
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Wikipedia
The AK-100 is a Russian-built 100mm naval cannon, with a maximum rate of fire of 60 rounds per minute, firing a 26.8 kg munition in HE anti-air or HE fragmentation varieties.