Is there any chance you can up the elemental damage converted to acid damage on blood of dreeg to 50%. on each of these items.
As it is now if you want to convert 100% you need to Dual wield the pistols and wear the necklace. If you up it from 45% to 50% it would make it a whole lot better and easier to actually use. 3 gear slots is pretty steep price especially since you will need to get lucky with getting them to drop with decent affixes.