Originally Posted by
Semisane
If it's one of the Green Mountain "Long Range Hunter" barrels it would be well worth acquiring.
Another option would be to explore what it would cost to have that smooth bore rifled to your specs. A shallow groove with a twist tailored to a specific heavy conical would be mighty nice.
The word is the .45 is a TC barrel.
Getting a bore rifled would be new territory for me. What kind of twist?