A problem with close-in weapons systems (CIWS) is that basic physics -- the amount of energy in an incoming missile at transonic or supersonic speed versus the amount of energy in the shells of the CIWS -- generally means that even a CIWS that performs well will break up the attacking missile but the debris from the missile may very well damage the ship.
The Russian Navy has (partially?) addressed the problem by doubling up the CIWS gun. The AK-630 has a rate of fire of 6,000 rounds/minute. The newer AK-630M2 (photo) has two sets of rotating barrel guns with a total rate of fire of 10,000 rounds/minute. Presumably the incoming missile will be impacted by more weight of fire and less debris will hit the target ship.
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'25 M850ix GC (Ordered)
BMW CCA 30 years
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