Favored by self-defense shooters across the country, Hornady® 10MM 155gr XTP-HP® ammo offers unmatched stopping power at an incredible value. Loaded with Hornady’s patented Extreme Terminal Performance (XTP) hollow-point bullets, this ammo delivers maximized penetration and expansion for reliable defensive performance under stress, while select Hornady brass casings offer smooth feeding performance. What’s more, matched powders and primers deliver optimal pressure and consistent velocities for superior reliability when it matters most.