Why would you bother shortening such a great barrel length. It's sight radius is great, it's power is super, and you can readily find holsters for it.
Why pay for the required work, which may not be done correctly anyway?
I found a 5 1/2 SuperBlackHawk better at the bench off sandbags, as far as recoil goes, than a 7 1/2 in Bisley which I sold off. But otherwise I miss, to some degree, the longer sight radius and increased power of the longer barrel....
I wouldn't do it...