| .442 Webley | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
 .44 Bull Dog (Peters), .442 Webley (UMC) and .442 Revolver (Eley) | ||||||||||||
| Type | Revolver | |||||||||||
| Place of origin | British Empire | |||||||||||
| Production history | ||||||||||||
| Designed | 1868 | |||||||||||
| Produced | 1868–1950s | |||||||||||
| Specifications | ||||||||||||
| Case type | rimmed, straight | |||||||||||
| Bullet diameter | .436 in (11.1 mm) | |||||||||||
| Neck diameter | .47 in (12 mm) | |||||||||||
| Base diameter | .472 in (12.0 mm) | |||||||||||
| Rim diameter | .503 in (12.8 mm) | |||||||||||
| Rim thickness | .033 in (0.84 mm) | |||||||||||
| Case length | .69 in (18 mm) | |||||||||||
| Overall length | 1.1 in (28 mm) | |||||||||||
| Rifling twist | 1:20 | |||||||||||
| Primer type | Large | |||||||||||
| Ballistic performance | ||||||||||||
| ||||||||||||
| Source(s): Barnes & Amber 1972 | ||||||||||||
The .442 Webley (also known as the ".442 Revolver Centre Fire" in Great Britain, the .442 Rook long (kangaroo) in Australia, the "10.5x17mmR" or ".442 Kurz" in Europe, and ".44 Webley" or ".442 R.I.C." in the United States)[1] is a British centrefire revolver cartridge.
- ^ Barnes, p. 170, ".44 Webley/.44 R.I.C."