The K-22 is a great revolver in any barrel length. The three pictured here are predecessors of the the models 17 and 18. The Combat Masterpiece is from 1953. The Masterpiece is a 1947 "LERK" (No offense intended to those of you who bristle at that designation). The Outdoorsman (1939) is in a class by itself, being IMO, the equivalent of the RM of in 22lr. There always seems to be a dearth of any of these models in gun shops, but plenty of them online. Like most members of this forum, I'm extremely particular about what I buy, and it took some time to find the ones that fit my requirements. As an aside, I do have the original numbered stocks for the Outdoorsman. They look good on the gun, but they're not so great for shooting.