My aunt keeps a Model 60 S&W for home protection. On a recent visit she asked for my help. She has the hand strength to pull the trigger double-action--she demonstrated that several times--but pushing the cylinder release forward has become a struggle for her due to reduced strength in her...
Peter--
You probably already know this, but it's something I found confusing when I became interested in the single-action Smith & Wessons from a military angle. The militarily used large bore single actions generally fall into four main frame types and are all variations of the Number 3. The...
Mk II HE SN 5907
This should help you pin down the early end of your third category of .455 Hand Ejector. SN 5907, caliber .455 Colt/Eley/Webley Mk I but no caliber marking; crossed pennants on left frame ahead of cylinder and on back of cylinder, small broad arrow and British proof on left...