Camping:
M16/FAL/M14 (w/Reflex or Acog and suppressor)
Python (w/Acog or speed reloader)
Frag, Nova or Concussion, Spike Cam
Ghost, Warload, Ninja

Aggressive:
Famas/AK47 (w/Dual Mags and suppressor)
Python (w/Speed reloader)
Semtex or frags, concussion, claymore
Ghost, Warload, Ninja

Run'n'Gun:
AK74u/Specter/Commando (w/Grip, dual mags, suppressor, and/or Optics)
Python (w/Speed reloader)
Frag, Nova, C4 or Claymore
Scavenger, hardline, or ghost; Warload or Sleight of hands; Ninja or Marathon