This is 500 S&W Hornady 500gr. XTP Flat Point Ammo. XTP bullets are famous for their ability to expand reliably across a wide range of velocities. The XTP bullet was specially built to withstand incredible velocities, and still deliver controlled expansion and weight retention. Special features in the nose facilitate and control expansion on impact. XTP bullets consistently deliver the deep, terminal penetration needed for one-shot kills. The XTP is one of the most accurate pistol bullets ever made. This ammo is packed in 20rd. boxes.