The .450 3​¹⁄₄-inch Black Powder Express was one of the most popular cartridges ever devised, it was widely used to shoot deer and similar sized game, as well as large dangerous game up to and including elephant.

Frederick Selous owned a single barrelled .450 Black Powder Express by Alexander Henry which he used to shoot lion when low on ammunition for his favourite .461 Gibbs No 1 Farquharson rifle.

John "Pondoro" Taylor owned two rifles in .450 Black Powder Express, a single falling block rifle and a double rifle by Holland & Holland, with these rifles he killed elephant, rhinoceros and buffalo shooting 365 grain hardened lead bullets, and lion shooting soft solid lead bullets of the same weight.

The favourite rifle of the great continental sportsman Ernest II, Duke of Saxe-Coburg and Gotha was a .450 Black Powder Express by Alexander Henry, with which he shot running deer out to 440 metres (480 yd).
The .450 3​¹⁄₄-inch Black Powder Express was one of the most popular cartridges ever devised, it was widely used to shoot deer and similar sized game, as well as large dangerous game up to and including elephant.
Frederick Selous owned a single barrelled .450 Black Powder Express by Alexander Henry which he used to shoot lion when low on ammunition for his favourite .461 Gibbs No 1 Farquharson rifle.
John "Pondoro" Taylor owned two rifles in .450 Black Powder Express, a single falling block rifle and a double rifle by Holland & Holland, with these rifles he killed elephant, rhinoceros and buffalo shooting 365 grain hardened lead bullets, and lion shooting soft solid lead bullets of the same weight.
The favourite rifle of the great continental sportsman Ernest II, Duke of Saxe-Coburg and Gotha was a .450 Black Powder Express by Alexander Henry, with which he shot running deer out to 440 metres (480 yd).
.450 Black Powder Express