Hmm, I guess I'm the opposite. I use Silencer and Laser Sight, but I got Gold for it before the last patch so I'm not sure if anything changed since then. --- "Might controls everything, and without strength you cannot protect anything. Let alone yourself."
Even though it's a burst weapon, the bursts are so quick and the delay so little, you won't need select fire. Iron sights are meh, I prefer using a Reflex Sight if I use the Chicom, and either a Laser Sight for spamming hipfire better, or Fast Mag. Standard SMG perk setup as well. --- Taken: The best movie ever. B.Sc of Computer Games Design