Colt New Service revolver .455″
| 01. Original name | Colt New Service | |
| 02. Other official names | Pistol, Colt, .455-inch 5.5-inch barrel Mk. I | |
| 03. Popular names | ||
| 04. Chamberings | .455 Webley | |
| 05. Designed by | Colt Engineers | |
| 06. Design date | 1898 | |
| 07. In service date(s) | 1898–1946 | |
| 08. Adopted by | United States, United Kingdom, Canada, Commonwealth of the Philippines, Royal Canadian Mounted Police | |
| 09. Production quantities | 28,000 (in .455) | |
| 10. Mechanism | double-action revolver | |
| 11. Weight | 40oz | |
| 12. Mountings | Holster | |
| 13. Practicality in action | A sturdy reliable revolver | |
| 14. Comments / Other information | These were acquired for issue as “substitute standard” by the British War Department during World War I. British Empire Colt New Service Revolvers were stamped “NEW SERVICE .455 ELEY” on the barrel, to differentiate them from the .45 Colt versions used by the US and Canada. The Colt New Service was a popular revolver with British officers and many of them had privately purchased their own |