The Underwood Ammo Xtreme Defense Platinum 9mm +P+ delivers exceptional defensive performance with 90 grain solid monolithic projectiles achieving 1550 FPS muzzle velocity and 480 ft lbs of energy.Underwood Ammo Xtreme Defense Platinum 9mm +P+ ammunition90 grain solid monolithic projectile for maximum penetrationNickel-plated brass casing for reliable feeding and extraction1550 FPS muzzle velocity for flat trajectory480 ft lbs muzzle energy for superior stopping power20 rounds per box packagingEngineered for serious defensive applications this premium +P+ ammunition provides devastating terminal performance with consistent accuracy for law enforcement and civilian defense needs.