What is the barrel length in inches of a five inch bore, fifty-four caliber Naval gun?

Question that I was asked and did not know the answer but the number 270 came to me. True or not?

Michael T2013-03-22T09:20:39Z

Favorite Answer

270 inches with 229 inches rifled in the Mod 2 and 310 inches with 269 inches rifled in the Mod 4

with 8000 and 7000 round barrel life respectively

BoatsBM12013-03-22T16:17:35Z

Yes, 270 inches is the correct answer.

Mark F2013-03-22T17:32:40Z

5 x 54 is _______

(hint: You have an application in front of you called "Calculator" if you can not do that one in your head)