When the spare pincher actuators were left at home, you end up with improvised arms...Well, at least it was re-armed...Picture posted by darwin green (on Reddit)
"Taking away its claws won't save you" Using ES, XLFE, DHS, and FFA it's kind of doable, actually. Thought the final armor is - scarily enough - even worse than the original RFL!
Reality and Battletech go hand in hand like a drug induced hallucination and engineering a fusion reactor ;-)
I've added the stats to the CrabMan as attachement, pair of light AC/5s, 3 ER Medium Lasers, 6 tons of ammo. It's essentially a WoB CBR-30, with new arms.