Andy Horvath did mine. I wanted an 8-3/8" barrel but not with the heavy underlug of a Model 16-4. Total cost was ridiculous but I paid for it in stages (bought the cylinder, then the barrel, then had it rebored, etc.) so I didn't take the hit all at once.
The seldom-seen 8-3/8" K32
Range session with the 8-3/8" .327 and .44 Spl