Originally Posted by Hondo44

To avoid confusion especially for novice readers:

With regard to the British contract service revolvers, the cartridge is more commonly labeled the .455 Mk II in S&W sources like the original boxes and in the books discussing these, rather than .455 Webley, especially when acknowledging they were all chambered for the longer .455 Mk I cartridge.

"<20 Bisley Target Models, for use at Bisley, England. Fixed front sight, adjustable rear sight." For clarity should be described as windage-adjustable-only rear sight.

"Only 1: In SCSW4, a pre production revolver in .45 Special (probably.45 Frankfort) serial number 09. Edit: For practical reasons, more than one of these existed, at least one of which was scrapped. Guess here, but 5 or less?" Rather than "scrapped", destroyed during army trials rust testing is a more informative description. I seem to recall sources indicating only two guns in .45 Frankfort were submitted to the Army for testing.

Hope this helps.