The damge bones works for MP so you can add in extra bone damages for arms and legs and torso.
You can have a MIXED squad for SP....
http://www.youtube.com/watch?v=g8ShyLZw3PA
http://www.youtube.com/watch?v=QhHnXaEYxRo
and even different models for MP in same !!
So far its not been acomplished to have multiple models choice for same team but who knows maybe !?
