I have one of those and I love it. I'd really like to see one in .36. Found this sight last year. It's the most info I've ever been able to turn up on them.
Remington Society of America - journals/RevolvingRifles
Sorry to make a thread out of it, but since my post count is so low, I am not allowed to PM anyone anymore. I used to be able to. Oh well.
To answer your question, yes, it is. Kin?