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The .577/500 No. 2 BPE was developed as a black powder round some time before 1879 by necking down the .577 Black Powder Express to .507-inches (12.9 mm) [2] for use in single or double rifles, as well as a variety of Martini-based lever rifles.
The .577 BPE originated around 1870 with the 2 1 ⁄ 2-inch variant. [1]The 3-inch cartridge has survived to the current day as the .577 Nitro for Black, the same cartridge loaded with mild loadings of modern smokeless powder, carefully balanced through trial to replicate the ballistics of the Black powder version.
The .450/400 Black Powder Express in both cartridge lengths were developed in the 1880s by necking down the .450 Black Powder Express, the .450/400 2 3 ⁄ 8 inch Black Powder Express simply a shortened version. The .450/400 3 1 ⁄ 4 inch Black Powder Express was listed in the Kynoch catalogue of 1884 as the .450 reduced to . 400. [1]
It was available in a number of loadings with bullets weighing from 270 to 365 grains (17.5 to 23.7 g), all driven by 120 grains (7.8 g) of black powder. [1] [3] The .450 Nitro for Black is the same cartridge loaded with mild loadings of modern smokeless powder, carefully balanced through trial to replicate the ballistics of the black powder ...
.450 Black Powder Express.450/400 Black Powder Express.450/400 Nitro Express.500/450 Magnum Black Powder Express.450 Marlin.450 Nitro Express.500/450 No 1 Black Powder Express.450 No 2 Nitro Express.454 Casull.500/450 Nitro Express.450 Rigby.450 Dakota.450 Watts Magnum.458×2-inch American.458 Express.458 HAM'R.458 Lott.458 SOCOM
Black powder was the first explosive ever invented, and was the primary propellant used firearms around the world for many centuries. However, in modern times, smokeless powder has largely replaced black powder as the most common firearm propellant.
The .500/450 No. 1 Nitro for Black was the same cartridge loaded with mild loadings of cordite, carefully balanced to replicate the ballistics of the black powder version. Unlike other similar black powder cartridges, such as the .450 Black Powder Express and .500/450 Magnum Black Powder Express, the .500/450 No. 1 Express never became a Nitro ...
Hodgdon's product line includes Pyrodex and Triple Seven, which are modern substitutes for black powder and intended for use in muzzleloaders and certain antique firearms. Consequences of black powder's easy ignition by sparks or static electricity make manufacture and storage hazardous. The sole factory of the United States' largest 20th ...