Damage+spread+less reload+less weight>less damage+better AP+worse
spread+faster reload+more weight.
BB3 128 BB room, long time ago.
Briggerz in nelson on A (dual 15", AW),
Me in Nagato on B.
We only met each other at the end of the battles, and AP was not needed since only
1/4th were AW UK ships. (and for BB3s, most cant carry more than 8"+BB3 ranged
guns)
Edit: oh formatting hell D:
2Edit: image for range difference (lower range is 2nd set), taken from my gun guide.