Talk:Type 91 Armor Piercing Shell/@comment-117.5.164.198-20151121090420/@comment-26028877-20151207052847

Amaebi90

AP shells have their bonus to penetrate heavy armour, also the armour of installation bosses, but the bonus is around 10-15%, when sanshiki deals x2.5 extra bonus to fp only against installations. So you prefer sanshiki.