Well, unless he has a really weird ability dealing with items, I'm inclined to believe you're right.It seemed like you were implying some knowledge of Sprig's faction. I haven't suggested eliminating third-parties, but Sprig could easily be PFK. At the very least, he probably has some sort of starting item that makes the gun not useful to him. Nothing else makes sense.
But yeah Spring could be any faction. I feel like most of the time when this sort situation comes up, the possible third party just gets bandwagoned and damn the consequences. He IS acting pretty strange, I grant you, and he probably knows something he isn't telling us. It probably isn't worth lynching him over, though, since Sprig doesn't seem to be acting any weirder than normal.

hehOh and I totally thought you were talking about Darths & Droids for a second there.