Underwood Ammunition 10mm Auto 220 Grain Hard Cast Flat Nose Box of 20

Underwood Ammo™ XTP rounds are notable for their power and accuracy. We utilize Hornady eXtreme Terminal Performance (XTP) bullets which are designed for deep terminal penetration, great accuracy and controlled expansion. We combine Hornady unparalleled XTP bullets with our own carefully formulated design which results in one lethal round.