While not nearly as popular as semi-automatic pistols, revolvers have several key advantages over more modern handgun designs — and these advantages have ensured the wheel gun’s continued relevance.

The great cowboy and gun writer Elmer Keith had a hand in the development of the 357 Magnum. To make it, Smith & Wesson lengthened the 38 Special cartridge and upped the pressure form 17,000 psi to 35 ...