The American Gunner line of ammunition is a collection of tried-and-true, versatile loads that are popular with shooters for their target shooting, hunting or self-defense needs. Made in the USA with premium components, American Gunner ammunition combines generations of ballistics know-how with modern technology. Product Features Uses Hornady XTP(eXtreme Terminal Performance) Bullets High Quality Brass, Primers, and Propellants Product Specifications Caliber: 10mm Auto Bullet Weight: 155 gr Bullet Type: XTP Muzzle Velocity: 1410 fps Quantity: 20 Rounds per box