The Enfield Pattern 1853 rifle-musket (also known as the Pattern 1853 Enfield, P53 Enfield, and Enfield rifle-musket) was a .577 calibre Minié-type muzzle-loading rifled musket, used by the British Empire from 1853 to 1867, after which many Enfield 1853 rifle-muskets were converted to (and replaced in service by) the cartridge-loaded Snider–Enfield rifle.