Re-barrel a Winchester High Wall

[Riceguy]

Re-Barrel a Winchester 1885 High Wall and change the caliber

Hi Guys,
Thinking of changing caliber on my High Wall from 38/50RH to a 45/110
Can anyone recommend a competent good outfit that does this?
would appreciate your help on this.

 

[8x68s]

woof! That'll be fun! Is it an original or modern copy?