I did a quick check and here is the link to Whitacre Barrels
Lodgewood and S & S, as already mentioned, are also good ones to check with. I've dealt with all three of them - top notch folks.
Are you looking for a new drop in to shoot or a barrel for "looks"?
If a pair of '51 Navies were good enough for Billy Hickok, then a single Navy on my right hip is good enough for me . . . besides . . . I'm probably only half as good as he was anyways. Hiram's Rangers Badge #63