Talk:Weapons/@comment-199.40.204.245-20150217082223/@comment-9571656-20150217115759

NO!!! You will lose the ability of the previous weapon when you upgrade although the upgraded stats carryover although may lose a few points depending on the new weapons stats.

For expample lets say you have a B Rank 8/8/8 weapon equiped, fully powered up, and you want to upgrade or switch to a weapon with the max stats of lets say 13/15/7 (Assasins Blade) your max def can now only be 7 and so you will lose 1 point there but your other stats can now be increased beyond the 8 they now have.