I stopped at a small gun shop that I usually don't frequent. They had a nice Winchester 38-40. I know something about these rifles - my friend inherited one and I did some research for her on it. I told the store owner that it's actually a .40 caliber rifle and he insisted that it was a .38. It's even stamped .38 WCF, he said. No amount of info would convince him. Alrighty then.
Why was it called .38-40? There's alot of info online but no one seems to know.