Hornady XTP 41 Cal (.410) 210gr Projectiles (100pk)the XTP bullet demonstrates the kind of accuracy that led many competitive shooters to adopt it. Reliable performance makes the XTP the most popular handgun bullet for both target shooters and hunters. But it's the stopping power of the XTP bullet that has truly built its world class reputation. From the onset, XTP bullets were specifically designed to expand reliably at a wide range of handgun velocities to deliver deep penetration with every shot.