What is a 454 Casull?
.454 Casull is a big-game revolver cartridge, basically a magnum version of the .45 Colt round. The .454 is twice as powerful as the .44 Magnum, and even more powerful than the .50AE of the Desert Eagle.
What is the muzzle velocity of a 448 Casull?
The .454 Casull is powerful enough to penetrate NIJ Level II and NIJ Level IIIA vests, having a muzzle velocity of approximately 580m/s, while a Level II is only rated for .357 JSP which grants 436 m/s, and a Level IIIA is rated for .357 SIG FMJ Flat Nose, with a velocity of 448 m/s.
What is a Casull pistol?
The Casull is a semi-automatic magnum pistol, based on two pre-WW1 handgun designs by Colt: the M1903 and M1905 pistols (the early versions of the M1911).