Pattern 1853 Enfield
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The Enfield Pattern 1853 rifle-musket was a .577 calibre Minié-type muzzle-loading rifled musket, used by the British Empire from 1853 to 1867; after which many were replaced in service by the cartridge-loaded Snider–Enfield rifle. Wikipedia
Designed: 1853
Length: 55 in
Action: Percussion lock
Calibre: .577 in (14.7 mm)
Cartridge: .550 expanding conical bullet
In service: 1853–1867
Muzzle velocity: 1,250 ft/s (380 m/s)