Ammo Specifications Load No. P45HS1 Caliber: 45 ACP Bullet Weight: 230 GR Bullet Style: Hydra-Shok JHP Ballistic Coefficient: 0.19 Quantity: 20 per box Personal defense situations aren t planned. They happen without warning and are decided in a matter of seconds. Federal Premium handgun loads are the best around. They offer a full range of popular and effective loads to meet your specific personal defense needs.