Skorpion EVO III Rapid Fire, Fast Mags and stock (PRIMARY GUNFIGHTER)
No Equipment whatsoever
NO 2ND perk
Hold ADS when you are out of breath.
Either that or get a KAP 40 w/ Tac Knife and put a ton of aggressive perks and run around knifing/point blank spraying.
Fast Hands & Scavenger
Combat Axe X2
Perk 2 Greed
I used this to gold my combat knife, and ballistic knife (once I added it). If you can adjust to this class, you can put together some decent games. You'll end up with some highlight reel stuff too!