.500 Magnum cartridge and Smith & Wesson Model 500 handgun .500 Magnum cartridge and Smith & Wesson Model 500 handgun .500 Magnum cartridge and Smith & Wesson Model 500 handgun .500 Magnum cartridge and Smith & Wesson Model 500 handgun .500 Magnum cartridge and Smith & Wesson Model 500 handgun