What I know is that I own a Robar R9 and I am grateful to have it. There was a guy who PM'd me trying to buy it. What I didn't realize was that factory had discontinued the Robar model and I refered him to Tom Watson who, in my view, is the very best source for purchase of all things Rohrbaugh.
I have to admit that the guy's attempt to buy my Robar R9 pumped my enthusiasm for the gun which was already healthy.