No, it would not be the only 6.5x57 in Montana. I have a friend who lives near Bozeman who has one ...
That's a rare bird. How's it shoot? Do you know who made it?
Mike
"An archer sees how far he can be from a target and still hit it, a bowhunter sees how close he can get before he shoots." It is certainly easy to use that same line of thinking with firearms. -- Unknown
