Cor-Bon DPX Features The DPX line is known for its Deep Penetrating X bullet which offers consistent expansion and deep penetration essential qualities in self-defense scenarios. The 115-grain bullet is designed to retain its weight and shape upon impact ensuring maximum effectiveness. The +P rating of this ammunition indicates that it is loaded to a higher internal pressure providing more power and a higher velocity compared to standard 9mm rounds. This increased performance is particularly beneficial in self-defense situations where stopping power and reliability are critical. Cor-Bon DPX Specifications Manufacturer: CorBon Model: Deep Penetrating X bullet (DPX) Caliber: 9mm Grain Weight: 115 Grain Type: XPB Description: +P (Overpressure) Units per Box: 20 Casing: Brass