No servo arm or jump pack. It is on his power pack filling the same slot. I am kind of regretting the pistols now. But eh lets play it and see how he does.
Remember that you can use the light as a weapon, too. And I don't think you will regret the jump pack all too much, pretty much only the forge-hall will be big enough to bounce around anyhow.
OOC: You still can only use 2 weapons. The Wrist-Mounted Plasma Gun is only 1 arm instead of 2 now.... To quote the rulebook: