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.577 Snider
(From Left to Right): A .577 Snider cartridge, aZulu War–era rolled brass foil.577/450 Martini–Henry Cartridge, a later drawn brass .577/450 Martini–Henry cartridge, and a .303 British Mk VII SAA Ball cartridge
Type	Military
Place of origin	Britain
Service history
Used by	British
Production history
Produced	1867
Specifications
Case type	Rimmed, straight
Bullet diameter	.570 in (14.5 mm)
Neck diameter	.602 in (15.3 mm)
Base diameter	.660 in (16.8 mm)
Rim diameter	.747 in (19.0 mm)
Rim thickness	.065 in (1.7 mm)
Case length	2.0 in (51 mm)
Overall length	2.45 in (62 mm)
Ballistic performance
Bullet mass/type Velocity Energy 450 gr (29 g) lead 1,300 ft/s (400 m/s) 1,689 ft⋅lbf (2,290 J)
Sources:The Handloader's Manual of Cartridge Conversions, by John J. Donnelly, Stoeger Publishing, 1987,ISBN 978-0-88317-269-8. p. 686.

The.577 Snider (14.7×51mm)^[1]cartridge was a Britishblack powder metalliccentrefire cartridge, which fired a 0.577-inch (14.7 mm), 480-grain (31 g) lead projectile, primarily used in theSnider–Enfield rifle.

Early .577 Snider cartridges were made from a composite design using paper and brass foil with a stamped metallic base and primer, much like the first generation ofMartini-Henry cartridges. Later cartridges (after the design had been proved with the Martini-Henry cartridges) were made from drawn brass, much like modernsmall arms ammunition. 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 beobsolete, with large scale commercial production having ceased in the 1930s.

New brass can be formed from a 24 gauge hull and reloading dies are available from Lee. As of 2015,KynamcoKynoch in the United Kingdom andBertram in Australia are also producing ready-made brass.^{[citation needed]}

• .577 Nitro Express
• .577/450 Martini–Henry
• List of rimmed cartridges

• The Handloader's Manual of Cartridge Conversions, by John J. Donnelly, Stoeger Publishing, 1987, p. 686.ISBN 978-0-88317-269-8.
• Cartridges of the World, 4th Edition, p. 218.

• Holt Bodinson (March 2006)."Britain's big .577 Snider". Archived from the original on 3 January 2010.

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