.442 Webley
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) is a British centrefire revolver cartridge.
Also recorded as .442 Revolver Centre Fire · 10.5x17mmR · .442 Kurz · .44 Webley
.442 Webley

Drake00 · Own work This file was derived from: 442 Webley UMC and RIC.jpg · CC BY-SA 3.0
- Name
- .442 Webley
- Field
- revolver cartridge
- Region
- United Kingdom
VALÉORINE Encyclopedia
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Documentary summary
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) is a British centrefire revolver cartridge.
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wikipedia · .442 Webley
In this article
Key facts
Key facts
• Name —.442 Webley • Origin — British Empire • Type — Revolver • Design Date — 1868 • Production Date — 1868–1950s • Case Type — rimmed, straight • Bullet —.436 • Neck —.47 • Base —.472 • Rim Dia —.503 • Rim Thick —.033 • Case Length —.69 • Length — 1.1 • Rifling — 1:20 • Primer — Large • Bw1 — 200 • Btype1 — (Kynoch ball, factory load) • Vel1 — 700 • En1 — 239 • Bw2 — 200 • Btype2 — (Remington factory load) • Vel2 — 715 • En2 — 230 • Balsrc — Barnes & Amber 1972
History
History
Introduced in 1868, the.442 (11.2mm) Webley round was used in the Webley RIC revolver. This was the standard service weapon of the Royal Irish Constabulary (RIC, hence the revolver's name), which were also chambered in (among others).450 Adams and 476/.455. Lt. Col. George Custer is believed to have carried a pair of RIC revolvers (presented to him in 1869 by Lord Berkley Paget) at the Battle of the Little Bighorn. A black powder round, the.442 originally used a 15–19 grain (gr) (0.972–1.23 g) charge behind a 200–220 gr (13–14.3 g) bullet. This loading was later joined by a smokeless variety. At one time, the.442 Webley was a popular chambering in self-defence or "pocket" guns (so named for being designed to be carried in a pocket, what today might be a known as a snubnose or carry gun), such as the widely copied Webley British Bulldog pocket revolver. The cartridge was moderately effective, being roughly similar in power to the contemporary.38 S&W,.41 Colt, or.44 S&W American, and somewhat less potent than the later 7.65mm Parabellum,.38 Special or.45 ACP. It was not very suitable at anything but close range. Smokeless.442 Webley loads continued to be commercially offered in the U.S. until 1940 and in the United Kingdom and Europe until the 1950s. • Illustration — Remington/UMC.442 Webley box labels
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- United Kingdom
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The Encyclopedia exists whether or not anything is for sale. Corrections are recorded rather than overwritten, and every version of this record is kept. Published 17 August 2026.
Elsewhere in Militaria
6,095 published records in this field, each with its sources named.
- .44 S&W AmericanTerminology
- .44 SpecialTerminology
- .44-40 WinchesterTerminology
- .440 Cor-bonTerminology
- .45 ACPTerminology
- .45 Auto RimTerminology
- .45 Black Powder MagnumTerminology
- .45 ColtTerminology
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