Webley Mk V revolver .455″
| 01. Original name | Webley & Scott Mark V Service Revolver | |
| 02. Other official names | Service Pattern Revolver | |
| 03. Popular names | ||
| 04. Chamberings | .455 | |
| 05. Designed by | Webley & Scott Limited | |
| 06. Design date | LoC 9 December 1913 (4 inch) LoC 5 May 1915 (6 inch) | |
| 07. In service date(s) | 1914 – 1918 | |
| 08. Adopted by | Common to both land, sea and air services | |
| 09. Production quantities | Production for the Ministry of Munitions was approximately 20,000, but it was also manufactured to commercial sale to officers of the commonwealth forces | |
| 10. Mechanism | 6 shot, hinge frame conventional single action (thumb cocking) and double action (trigger cocking) mechanism | |
| 11. Weight | 2 lbs 3½ oz (4 inch) 2 lbs 5½ oz (6 inch) | |
| 12. Mountings | ||
| 13. Practicality in action | Sturdy dependable short range weapon for defensive or offensive action | |
| 14. Comments / Other information | The Ministry purchased the Mark V with the common 4 inch barrel but it was also supplied with the less common 6 inch barrel |