It's been a number of years since I had a TC Contender but If I were looking now, I'd look for a standard 6mmBR barrel, the brass is very good.

Link here

Check out Mike's site linked in the article above.

"Camping places fix themselves in your mind as if you had spent long periods of your life in them.
You will remember a curve of your wagon track in the grass of the plain like the features of a friend."
Isak Dinesen