Guns, Dogs and Blades QnA

Thanks. I have to put purchases like this on layaway and my last payment was today. Our Deputy Chief of Police owns the gun store in Gray. It's a neato little store. I'll try to remember to get some pics our next trip into town. It has cool hardwood floors and wood accents everywhere like a store out of the old west.
Well, it's an old school Cowboy gun, looks wise anyway! Single action, or double?