Hollow Point
A bullet with a cavity in the tip designed to expand on impact.
Also: JHP, jacketed hollow point, HP
Hollow-point bullets have a cavity at the tip. On impact with soft tissue, the cavity causes the bullet to mushroom — increasing diameter, dumping energy, and reducing over-penetration. Hollow points are the standard for self-defense and many hunting applications. JHP (jacketed hollow point) adds a copper jacket for reliable feeding.