The Webley .455in service revolver is among the most powerful top-break revolvers ever produced and has a claim to be the first 'tactical fighting pistol'. First adopted in 1887, in various marques it was the standard-issue service pistol for British and Commonwealth armed forces for nearly fifty years; later versions in .38in calibre went on to see further service in World War II and beyond, as well as in a host of law-enforcement roles around the...