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Originally Posted by DrJonez
There isn't a quad 50 caliber mount on my sub, and swapping out the 3 50 cal gun that was there before for the 4 50 cal was what started this problem in the first place. What gun is this referring to?
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The deck guns of World War II are designated by the size of bore and their length as a function of the bore/shell size, so a 4"/50 gun has a 4" shell and a barrel that is 4"*50 or 200" long. A 3"/50 is a 3" shell and has a barrel 150" (3" * 50) long and a 5"/25 has a 5" shell and a 125" (5" * 25) long barrel. It's an easy way to see the relative length of the barrel. You can easily tell that a 5"/25 is a much relatively shorter barrel than a 4"/50.