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The .454 Casull round is primarily intended for hunting medium or large game, metallic silhouette shooting, and bear protection. [ 11 ] [ 12 ] The Casull cartridges were originally loaded with a triplex load of propellants, which gave progressive burning, aided by the rifle primer ignition, resulting in a progressive acceleration of the bullet ...
The .460 S&W round is a lengthened, more powerful version of the popular .454 Casull, itself a longer and more powerful version of the .45 Colt.For this reason, the .460 S&W Magnum can be considered an example of a "super magnum".
Although not originally designed for handguns, several rifle and shotgun cartridges have also been chambered in a number of large handguns, primarily in revolvers like the Phelps Heritage revolver, Century Arms revolver, Thompson/Centre Contender break-open pistol, Magnum Research BFR, and the Pfeifer Zeliska revolvers.
.454 Casull. This magnum revolver cartridge, a lengthened .45 Colt , was developed by Dick Casull and Jack Fulmer in 1957 as a high-powered big game hunting round. For many years, the small Wyoming manufacturer Freedom Arms was the only substantial maker of guns for the cartridge.
Dick Casull with a rifle. Richard J. Casull (/ k ə ˈ s uː l /) (February 15, 1931 – May 6, 2018) [1] was an American gunsmith and wildcat cartridge developer whose experiments with .45 Colt ammunition in the 1950s led to the creation of the .454 Casull cartridge.
The basic design of the Model 460 is based on another X-frame revolver, its counterpart, the Smith & Wesson Model 500, a .50 caliber revolver. [2] [4]Aside from the .460 S&W Magnum cartridge, the revolver can also chamber .454 Casull, .45 Colt, and .45 Schofield ammunition.
This particular loading generates 1,650 ft⋅lbf (2,240 J) of energy making this one of the most powerful handgun cartridges put into production. In terms of energy, this is comparable to the .454 Casull cartridge. However, the .500 Linebaugh provides a larger diameter, heavier bullet with a greater sectional density than the .454 Casull.
The .460 S&W Magnum was derived from the .454 Casull while the .454 Casull was derived from the .45 Colt. Because of this lineage the .460 S&W Magnum has similar dimensional attributes to the .45 Colt with the exception of a much longer casing. As such, revolvers chambered to .460 S&W Magnum will usually chamber the shorter .45 Colt.