User blog comment:Cinder23/What is the best perk set up?/@comment-2076231-20100521124847

For Assault Rifles:

Scavenger Hardline, Stopping Power Commando, Steady Aim, SitRep

For SMG's (close combat)

Scavenger Hardline Scrambler, Commando

Stealth:

Bling Cold-Blooded Ninja