Also known as the .320 European or .320 Bulldog, this revolver

Revolver

A revolver is a repeating firearm that has a cylinder containing multiple chambers and at least one barrel for firing. The first revolver ever made was built by Elisha Collier in 1818. The percussion cap revolver was invented by Samuel Colt in 1836. This weapon became known as the Colt Paterson...

 cartridge consisted of an 8 mm lead ball (having 5 sides) , and was designed for the Webley Bulldog in the 1870s

1870s

The 1870s continued the trends of the previous decade, as new empires, imperialism and militarism rose in Europe and Asia. America was recovering from the Civil War. Germany declared independence in 1871 and began its Second Reich. Labor unions and strikes occurred worldwide in the later part of...

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The .32 Short Colt was based on the .320 but had a different sized rim. On some guns the Short Colt will actually fit and cycle properly. However modern 32 colt ammunition should never be used in a black powder firearm. Reloading using reliable published data and a black powder substitute like Pyrodex can be safe and successful. Some reloaders report modifying the rim of .32 short brass or using .32 acp brass. .32 short brass works on this writer's Bulldog as shipped.