Beaumont–Adams revolver
| Beaumont–Adams revolver | |
|---|---|
Beaumont–Adams percussion revolver | |
| Type | Revolver |
| Place of origin | United Kingdom |
| Service history | |
| In service | 1862–1880 |
| Used by | United Kingdom & Colonies North-West Mounted Police United States Confederate States Empire of Japan |
| Wars | American Civil War Boshin war Anglo-Zulu War First Boer War numerous British colonial conflicts |
| Production history | |
| Designer | Lt. Beaumont (Royal Engineers), Robert Adams |
| Designed | 1862 |
| Manufacturer | Robert Adams of London |
| Produced | 1862–1880 |
| No. built | c. 250,000 |
| Specifications | |
| Mass | 2.4 lb (1.1 kg), unloaded |
| Length | 11.25 in. (286 mm) |
| Cartridge | .450 Adams Boxer centerfire cartridge (conversion) |
| Calibre | Percussion United Kingdom: .500 in (12.7 mm) (38-bore), .479 in (12.2 mm) (42-bore), .442 in (11.2 mm) (54-bore) & .320 in (8.1 mm) (120-bore) United States: .36 in caliber & .31 in caliber |
| Action | Double-action |
| Muzzle velocity | 620 ft/s (190 m/s) |
| Effective firing range | 35 yd (32 m) |
| Maximum firing range | 100 yd (91 m) |
| Feed system | 5-round cylinder |
| Sights | Fixed front post and rear notch |
The Beaumont–Adams revolver is a black powder, double-action, percussion revolver. Originally adopted by the British Army in .442 calibre (54-bore, 11.2 mm) in 1856, it was replaced in British service in 1880 by the .476 calibre (11.6 mm) Enfield Mk I revolver.