 The .577 Snider cartridge was eventually replaced in service by the .577/450 Martini–Henry cartridge in the 1870s.The .577 Snider cartridge is considered by most commentators to be obsolete, with large scale commercial production having ceased in the 1930s.However, as of 2012, cases, bullets and cartridges as well as others of the .577 family are available from Tenbury Guns Limited (company dissolved 31 May 2016) in the United Kingdom.