Underwood Ammo Xtreme Hunter Handgun Ammunition 10mm Auto 150gr Solid Monolithic 1425 fps This premium 10mm Auto ammunition from Underwood Ammo is designed for the ultimate in self-defense and hunting performance. Featuring a 150-grain solid monolithic copper bullet, this load delivers exceptional penetration and terminal ballistics, with a muzzle velocity of 1,425 feet per second and 676 foot-pounds of muzzle energy. The non-corrosive, boxer-primed brass cases are reloadable, and the lead-free bullet construction makes this ammunition safe for use with suppressors. With a high ballistic coefficient and sectional density of 0.133, the Xtreme Hunter bullet is optimized for long-range accuracy and deep penetration. Caliber: 10mm Auto Bullet Weight: 150 grains Bullet Type: Solid Monolithic Copper Muzzle Velocity: 1,425 fps Muzzle Energy: 676 ft-lbs Casing: Nickel-Plated Brass Primer: Non-Corrosive Boxer Whether you're hunting big game or seeking the ultimate self-defense round, the Underwood Ammo Xtreme Hunter 10mm Auto ammunition delivers the performance and reliability you demand.