Mark 45 ~ 5-inch, 54-caliber lightweight
The 54-caliber (Mk 45) lightweight gun provides surface combatants accurate naval
gunfire against fast, highly maneuverable surface targets, air threats and shore targets
during amphibious operations.
This lightweight gun system offers significant improvements in reliability and
maintainability over the 54-caliber Mk 42 gun systems. The Mk 45 is controlled by either
the Mk 86 Gun Fire Control System or the Mk 160 Gun Computing System.
||Fully-automatic, lightweight gun mount
||13 naut. miles
|Type of fire
||16-20 rounds per minute automatic
||475-500 rounds per magazine
||1971 (Mark 45)
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