Engineered to maximize terminal ballistics as defined by FBI test protocol, PDX1 Defender ammunition provides maximum stopping power for the ultimate in personal defense. Winchester’s innovative bonding process welds the jacket to lead core for improved penetration, 1.5x expansion and the proven performance you rely on when the stakes are high. The load also includes a notched jacket, which is preprogrammed to expand into six uniform segments for consistent tactical performance.FeaturesHollow Point – Expands up to 1.5x the original diameter resulting in maximum stopping power, ideal for hunting and wilderness defenseNotched Jacket – Preprogrammed to expand into six uniform segments for consistent tactical performanceProprietary Bonding Process – Welds jacket to lead resulting in improved penetration and retained weightSpecificationsCaliber: 38 Special PGrains: 130Type: Bonded jacketed Hollow PointVolume: Box of 20 (Case of 200 / 10 boxes)Ballistics – Velocity / EnergyAt Muzzle: 950 fps / 260 ft-lbsAt 5 Yards: 946 fps / 258 ft-lbsAt 25 Yards: 928 fps / 249 ft-lbs