The Hornady Custom Handgun Ammo 10mm 155 gr. XTP delivers a balanced, hard-hitting round from Hornadys respected Custom line that hunters and law enforcement professionals trust for consistent terminal performance, with the Hornady XTP hollow point engineered to expand between one and one and one half times its original diameter while maintaining deep penetration when you need it most. With a 155-grain bullet traveling at about 1410 fps and producing roughly 684 ft-lbs of muzzle energy, this 10mm Auto load translates to controlled recoil, excellent shot placement, and the energy transfer required for medium game or defensive scenarios. The brass casings and reliable ignition make it well-suited for range work, follow-up shots, and duty use, and because its produced in the United States the ammunition meets the expectations of users who prioritize domestic sourcing. If youre assessing ammo for hunting, duty carry, or serious range training, the Hornady Custom series offers consistent ballistic performance and predictable expansion to help you select the right 10mm for fieldwork or service applications.