.464 Rifle Barrell ???

[Gator Weiss]

If I had a .464 rifle barrell to drop in my TC Hawken, I could shoot patched .454 Ball, which I use in my revolvers. Would anyone know where to get a barrell made like this?

 

[woodnbow]

If I had a .464 rifle barrell to drop in my TC Hawken, I could shoot patched .454 Ball, which I use in my revolvers. Would anyone know where to get a barrell made like this?

Bobby Hoyt.