SamUK: Thought you'd lost interest. Yes, that's how it's supposed to fit together.
MeTchSteekle: Heh, you must have gotten lucky, I'd tried looking EVERYWHERE for something like that. Yes, that's sort of what I want on the backside.
Anyhow, Ceriux pretty much nails the model down perfect, with the exception of the back handle part and the pack holder / cylinder being a bit too long.
Dunno if this will help shed light on things but:
Anyhow, I think Ceriux should continue with his attempt, it's looking pretty good!