The Underwood Ammo Xtreme Defense 38 Special features a 100-grain solid monolithic projectile designed for maximum terminal performance with 1300 FPS muzzle velocity and 375 ft-lbs of muzzle energy.Underwood Ammo Xtreme Defense 38 Special ammunition100-grain solid monolithic projectile for deep penetrationNickel-plated brass casing for reliable extraction1300 FPS muzzle velocity for flat trajectory375 ft-lbs muzzle energy for stopping power20 rounds per box packagingEngineered for personal defense applications this premium ammunition delivers consistent performance and reliability when it matters most making it ideal for concealed carry and home defense situations.