Editing Webley Revolver (section)

===Military service .455 Webley revolver marks and models===
There were six different marks of .455 calibre Webley British Government Model revolvers approved for British military service at various times between 1887 and the end of the First World War:
* '''Mk I''': The first Webley self-extracting revolver adopted for service, officially adopted 8 November 1887, with a {{convert|4|in|mm|adj=on}} barrel and "bird's beak" style grips. '''Mk I*''' was a factory upgrade of Mk I revolvers to match the Mk II.
* '''Mk II''': Similar to the Mk I, with modifications to the hammer and grip shape, as well as a hardened steel shield for the blast-shield. Officially adopted 21 May 1895, with a {{convert|4|in|mm|adj=on}} barrel.<ref>''List of Changes'' § 7816<!-- WHAT does this mean? -->{{full citation needed|date=October 2020}}</ref>
* '''Mk III''': Identical to Mk II, but with modifications to the cylinder cam and related parts. Officially adopted 5 October 1897, most not issued, with exception of a number that were marked with the "broad arrow" acceptance stamp on the top strap. These few went to the Royal Navy.<ref>''List of Changes'' § 9039</ref>
* '''Mk IV''': The "Boer War" Model. Manufactured using much higher quality steel and case hardened parts, with the cylinder axis being a fixed part of the barrel and modifications to various other parts, including a re-designed blast-shield. Officially adopted 21 July 1899, with a {{convert|4|in|mm|adj=on}} barrel.<ref>''List of Changes'' § 9787</ref>
* '''Mk V''': Similar to the Mk IV, but with cylinders {{convert|0.12|in|mm|adj=on}} wider to allow for the use of nitrocellulose propellant-based cartridges. Officially adopted 9 December 1913, with a {{convert|4|in|mm|adj=on}} barrel, although some models produced in 1915 had {{convert|5|in|mm|adj=on}} and {{convert|6|in|mm|adj=on}} barrels.<ref>''List of Changes'' § 16783</ref>
* '''Mk VI''': Similar to the Mk V, but with a squared-off "target" style grip (as opposed to the "bird's-beak" style found on earlier marks and models) and a {{convert|6|in|mm|adj=on}} barrel. Officially adopted 24 May 1915,<ref>''List of Changes'' § 17319</ref> and also manufactured by RSAF Enfield under the designation '''Pistol, Revolver, Webley, No. 1 Mk VI''' 1921–1926.<ref>{{harvnb|Skennerton|1997|p=10}}</ref>