Cor-Bon DPX Features The DPX line of ammunition from Cor-Bon is known for its Deep Penetrating X bullet engineered to provide superior penetration and reliable expansion upon impact. The 155-grain bullet is designed for optimal performance in the 10mm caliber delivering both speed and power. This combination makes it a powerful choice for hunters and those in need of an effective self-defense round. Moreover the ammunition features a nickel-plated brass casing which enhances its reliability by ensuring smooth feeding and extraction in firearms. This nickel plating also offers increased corrosion resistance making the rounds durable under various environmental conditions. Cor-Bon DPX Specifications Manufacturer: CorBon Model: Deep Penetrating X bullet (DPX) Caliber: 10mm Grain Weight: 155 gr Bullet Type: XPB (Xtreme Penetrating Bullet) Rounds Per Box: 20 Muzzle Velocity: 1 200 feet per second Casing Material: Nickel-Plated Brass