just a small FYI the skorpian is not very impressive, AEP's are just... blah. My buddy has a Glock AEP and you can't even get off 2 100 round mags on a battery.
But to stay on track
FL set up
Primary Fa-mas g2
Tertiary Knife *its light, doesn't need a battery, never runs out of ammo, never breaks down*
Plus knife kills almost always get the same reaction *OMG HOW THE HELL wow that was amazing!* or *OHHH that musta hurt* thats the one you get when you get shot after surprising the guy.