The Underwood Ammo 10mm 150 Grain Solid Monolithic delivers exceptional terminal performance with 1425 FPS muzzle velocity and 676 ft lbs of energy for serious defensive and hunting applications.Underwood Ammo 10mm 150 Grain Solid Monolithic ammunitionSolid monolithic projectile for maximum penetration and weight retentionNickel-plated brass casing for reliable extraction and corrosion resistance1425 FPS muzzle velocity with 676 ft lbs muzzle energy20 rounds per boxSKU: UNDA-942Engineered for hunters and defensive shooters who demand consistent hard-hitting performance from their 10mm platform with premium components and quality construction.