Alright. So, I did Reset XForm on the model and the nodes. The model got turned onto it's side. After that as a test I then imported the FP arms and animations, and still had the problem of the gun being way too small. I went for reset XForm on the model again, and the SMG was the right size, but the pieces were all over the place. The Frame Gun node was absolutely tiny.
I'll keep messing around with it and see what comes out of it.
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