You dont lose 5% for breaking armor class. If im not mistaken that armor specialization where you get the 5% isnt until level 50still no luck with cannonball, but yeah ramsteins or cannonball with gloves+ring+2procc weapons should be fun
i will do some testing when i have my last vers build items to see if the procc makes up for the 5% str lose breaking plate setup for mail gloves
the 5% for breaking armor type is active even bellow 50s (for bgs that is)