Some M-51 info
I bought my M-51 22 years ago unfired in the box from Pachmayr in Pasadena, CA. I recently called S&W to ask them to fit the .22lr auxiliary cylinder to my frame; they said they haven't done that for ten years. Talk about kicking myself in the butt. That doesn't necessarily...
I've had a M53 for over 30 years. At first it used to have the cases back back out and bind the cylinder big time... when I would have described the chambers as "clean". After a fair amount of reading I learned that my "clean" left traces of lube, solvent and the like in there... enough to let...