I've been searching and I can't seem to find where someone posted a ranking of each weapon's ranged tap damage. I know Rifle is generally seen as #1, and I seem to recall that Bow was fairly high and maybe 2H? If anyone has this information or a link to it, that would save me a lot of time. Thanks!
As of last weapons pass: TESTED AT CR166 (should scale linearly) Rifle does the most. Dual Wield and Bow are about 90% of Rifle. Most of the others are about 80%. This doesn't take into account animation/clipping time. The take-away is all of them are pretty good. I don't think the difference in weapon tap damage from different weapons makes a huge difference in the scoreboard. Also keep in mind that Rifle splits after 1, so if there's a bunch of adds around your primary target will take way less damage. All the others are single target.