They are still under powered. It's better than how under powered they were in HoW but they still have the slowest time to kill.
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They are not that bad. I use Nerwens noMercy right now. But before I used Red Spectre and I did really well with it. SUROS Regime, Suros ARI 45, Paleocontact, Questing Beast, Red Spectre, and many other ARs that roll with PvP nodes are great to use. I would say my KD is only slightly higher with Nerwens equipped vs when I used Red Spectre