WINCHESTER PDX1 Defender .40 S&W 165 Grain JHP 20rd Box Ammo (S40SWPDB)

Hollow Point: Expands up to 1.5x the original diameter resulting in maximum stopping power; Notched Jacket: Preprogrammed to expand into six uniform segments for consistent tactical performance; Proprietary Bonding Process: Welds jacket to lead resulting in improved penetration and retained weight