Dan Wesson made 357s in different barrel lengths. I have a revolver with 2 1/2", 4". 6", 8", 10", 12", AND 15" barrel assemblies. The 2 1/2 through 8", were bought as a set. I bought the rest of the barrel assemblies after I bought the set. I am a Dam Wesson "nut" and have collected several of...