Talk:381mm/50 Triple Gun Mount/@comment-26410405-20150926143412/@comment-24930367-20150926145307

This one at ★9 (and ★max) gives like 20+4 firepower and -3+6 accuracy, so 24 and +3.

381mm/50 Kai at ★4 gives 21+3 firepower and -1+4 accuracy, so 24 and +3.

Your choice.

Assuming firepower bonus from improvement is 1.5 x sqrt(★), and accuracy 2 x sqrt(★).