Infantry Weapons

Webley Mk IV revolver

The Webley Mk IV revolver was a British top-break service revolver family, and the .38/200 version remained a recognizable police sidearm long after its original adoption.

Myanmar Civil WarState Administration Council and allied forces

Webley Mk IV revolver, Service revolver, Infantry Weapons

Image source: Webley Mk IV revolver image file

Profile

Origin: United Kingdom
Built by: Webley & Scott
Type: Service revolver
Service note: Late 19th century design; .38/200 service and police use into the 20th century
Designer: Webley & Scott
Designed: 1899
Unit cost: Not publicly established
Produced: 1899-1913 for the .455 Mk IV family; .38/200 Mk IV production continued later as a separate service pattern
Number built: Not publicly established
Variants: Webley Mk IV .38/200, Webley Mk IV .455

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Specifications

Action: Double-action revolver
Cylinder: 6-round cylinder
Barrel length: 4 in standard military model; police example photographed in Myanmar carried a shorter barrel
Caliber: .38/200 (.38 S&W)

Service And Conflict Use

Service History

In service: .38/200 variant adopted as a British service revolver; police use continued in several countries after military retirement
Used by: Myanmar Police
Wars: Myanmar Civil War

Conflict Usage

Side: State Administration Council and allied forces
Role: Police sidearm

A Webley Mk IV revolver was shown as a Myanmar police sidearm and described as captured by anti-government forces in Monywa in 2021.

Timeline

Webley Mk IV revolver Key Events

Jan 1, 1899
Mk IV enters service
Webley introduced the Mk IV revolver family in 1899, making the design part of the late Victorian British service-revolver line.
Sources: NRA Museum Webley Mk IV revolver
Jan 1, 2021
Captured from Myanmar police
A Webley Mk IV revolver appears in a 2021 Myanmar photo captioned as being captured by anti-government forces from police in Monywa.
Sources: Myanmar Webley in postwar police capture

Webley Mk IV revolver Images

Webley Mk IV revolver, Service revolver, Infantry Weapons - view 1 — Source: Webley Mk IV revolver image file

Webley Mk IV revolver, Service revolver, Infantry Weapons - view 2 — Source: Webley Mk IV museum image file

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Sources

NRA Museum Webley Mk IV revolverPublisher: National Rifle Association Museum | Note: Supports the Mk IV's British manufacture by Webley & Scott, 1899 introduction, and the standard 4-inch military model in .455 Webley form. | Accessed: 2026-06-22 Royal Armouries Webley Mk IV objectPublisher: Royal Armouries | Note: Supports the Mk IV standard military model's six-chamber cylinder, 4-inch barrel, and 2.18 lb weight. | Accessed: 2026-06-22 Myanmar Webley in postwar police capturePublisher: WWII After WWII | Note: Supports the Myanmar Civil War direct-use claim: the Webley Mk IV revolver was shown with Myanmar police gear and described as captured by anti-government forces in Monywa in 2021. | Accessed: 2026-06-22 Webley Mk IV revolver image filePublisher: Wikimedia Commons | Note: Public-domain image page for the Webley Mk IV revolver photograph used as the primary image. | Accessed: 2026-06-22 Webley Mk IV museum image filePublisher: Wikimedia Commons | Note: CC BY-SA image page for an additional Webley Mk IV revolver photograph used in the gallery. | Accessed: 2026-06-22