The Underwood Ammo 9mm 68 Grain Solid Monolithic delivers exceptional performance with 1700 FPS muzzle velocity and 436 ft-lbs of muzzle energy from a premium solid copper projectile design.Underwood Ammo 9mm 68 Grain Solid Monolithic ammunitionSolid monolithic copper projectile for maximum penetration and weight retentionHigh-velocity performance: 1700 FPS muzzle velocity 436 ft-lbs energyPremium nickel-plated brass casings for reliable feeding and extraction20 rounds per box packagingSKU: UNDA-863Engineered for serious applications requiring deep penetration and consistent performance this premium ammunition is ideal for personal defense law enforcement and hunting applications where barrier penetration and stopping power are critical.