.50 caliber handguns - Wikipedia

A .50 caliber handgun is a handgun firing a bullet measuring approximately .5 inches (12.7 mm) in diameter.Historically, many black powder pistols fired bullets with diameters well above ½ inch. However, following the development of smokeless powder, the focus shifted to smaller-diameter bullets propelled at higher velocities, and the development of .50 and larger calibers in handguns became ...…

.500 S&W Magnum - Wikipedia

The .500 S&W Magnum (12.7×41mmSR) is a fifty-caliber semi-rimmed handgun cartridge developed by Cor-Bon in partnership with the Smith & Wesson "X-Gun" engineering team for use in the Smith & Wesson Model 500 X-frame revolver and introduced in February 2003 at the SHOT show.Designer: Cor-Bon / Smith & Wesson…

Model S&W500™ Smith & Wesson

In 2003 the gunsmiths and engineers at Smith & Wesson wanted to deliver maximum power for serious handgun hunters. The power they sought required an entirely new frame, the massive "X-Frame™," and was the basis for the new Model S&W500™, the most powerful production revolver in the world. This ushered in the era of the "big gun" and was only the beginning.…