WINCHESTER Defender 10mm Auto 180Gr Bonded JHP 20rd Box Ammo (S10MMPDB)

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