User blog comment:The Gunsmith/So, what weapons did you actually end up using?/@comment-3325589-20120411035845

Single player: -Infiltrator: Black Widow, N7 Hurricane, Disciple in the late game. -Soldier: Raptor, Particle Rifle, Geth Plasma Shotgun. (Made for very slow power cooldowns, but that's not so terrible a disadvantage for a soldier.)

On multiplayer, it really depends on the class; I play all of them occasionally, though my favorites so far are Quarian engineer, Asari adept, and Salarian infiltrator. For the former two, I use a Carnifex, while on the latter I pack a Widow. I might switch over to a Black Widow if I ever get one, but even with an N7 rating in the high 500s and god only knows how many spectre packs purchased, I still have yet to get a single ultra-rare sniper rifle.

Also, the Carnifex and the Paladin. Oh man they are such good guns. I thought the Carnifex was one of the worst weapons in ME2, but in ME3 it's one of the best. Part of this is the fact that these two are the only pistols that are both very light, and still pack a good punch. The Scorpion, Arc Pistol, and Talon are strong, but they're too heavy if you want fast power cooldowns in multiplayer. The rest are too weak to bother with once you have something like the Carnifex. I'll probably switch over to a Paladin once I level it up a bit, but for now a level 9 Carnifex only does about 10% less damage than a level 2 Paladin, and is much lighter.