Extreme Shock introduces the all new 12 gauge BD50 Sabot Slug, designed for fully rifled barrels. Staying true to the Extreme Shock tradition, the BD50 Slug is Lead-Free and Frangible. The BD50 is a 300 grain, .50 caliber, non-jacketed, compressed Tungsten slug, engineered to fragment inside of soft tissue. With a velocity of 2,100 feet per second, the BD50 sports a massive 2,937 ft. lbs. of kinetic energy