Call of Duty: Black Ops II

m27 with grenade launcher
executioner

blindeye (all you need)
fast hands / hard wired
dead silence / awareness

m27 is the best AR in the game in the AR-dominant game. Noobtube is as strong as evuh.
executioner? lol it's a mini shotgun that can destroy things.
blindeye to not be seen by all them crazy scorestreaks.
fast hands to boost the speed of your weapon touching skills and hard wired lets you be godly. dead silence and awareness is awesome for fighting against and as a sound whore in a game where sound whoring is so effective.

Honestly, it really IS whatever works best for you. I've tried using setups I've seen others use or have posted, and they haven't really worked.

With that said, here is what I use on pretty much all of my classes:

Perk 1: Ghost/Hardline
Perk 2: Scavenger
Perk 3: Engineer

EMP Grenade
Bouncing Betty or C4
Wildcard: Perk 1 Greed

With all of my guns I use a Suppressor and mostly Fast Mag as my second attachment.

I tend to play with a rushing playstyle. I've tried swapping those current Perks I use with Flak Jacket, Toughness, Fast Hands, and Dexterity, but ultimately I get the best results with what I have above. I do have an Anti Air class, as well.

As far as killstreaks, I really like to run VSAT (ALWAYS!), and then usually a lower killstreak, and a higher one. Before I Prestiged I was using UAV, VSAT, and Dogs.
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XBox Live: ImmortalArbiter | PSN: EternalJehuty

My go-to class for Kill Confirmed:

AN-94 with stock (necessity for ARs), extended mags, laser sight/reflex sight
Hardline/Ghost
Toughness
Dexterity

This works wonders for me, personally, but you could always run a generic PDW/MSMC class and do just as well, if not better.
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You're the opposite of Batman.
GT: Rohhh