User blog comment:Homuhomu123/Shelling Accuracy Test Results/@comment-25109005-20150419202544/@comment-132.205.64.148-20150420163200

Thanks for the comment. Currently I haven't spent effort on this research, nor have I seen the data.

If you're refering this line from wikiwiki: Perhaps we'll have to wait for a couple of month before it comes out :v
 * 命中も改修によって上昇するという検証結果が複数名より寄せられている. Lv1艦に改修Max砲2つならば未改修砲と比べハッキリと差が分かるほどの命中上昇量の模様. 検証進行中.