Super-X ammunition has provided exceptional quality and outstanding performance for all types of hunters and shooters who rely on its time-proven dependability backed by legendary excellence. – Caliber: 357 Magnum – Bullet Weight: 158 gr – Bullet Type: Jacketed Soft Point – Muzzle Energy: 535 ft / lbs – Muzzle Velocity: 1235 fps – Rounds Per Box: 50