Taurus Executive Grade 605 Executive Grade, chambered in 357 Magnum gives shooters the upgraded stopping power they've been asking for. The 605 Executive Grade accepts the same speed loaders as other common 5-shot revolvers. Shooters can elect to use potent 357 Magnum ammunition or lighter loaded 38 Special, including +P loads. The 605 Executive Grades polished finish and hand-tuned trigger make this gun as nice to look at as it is to shoot.