Originally Posted by PMRet

Over the last several months I've looked at many 5 screw K-22's with serial numbers that fall into the 1955 time frame according to SCSW, and the vast majority of them have had the narrow rib/tapered barrel. Very, very few have been the heavy barrel version.

Several months ago I decided to put together a set of 5 screw masterpiece revolvers. My plan was to quickly grab a K-22 and K-38, and then hope to find a K-32 somewhere down the line. As luck would have it, I stumbled onto a K-32 almost immediately, and of course thought I had it made. It had a 1955 serial number and a heavy barrel, so I needed the same in a K-22. I'm still lookin...