The Wilson Combat Lehigh Controlled Fracturing 9mm ammunition features advanced 115 grain bullets designed for reliable expansion and penetration with 1100 FPS muzzle velocity and 309 ft lbs muzzle energy.Wilson Combat Lehigh Controlled Fracturing 9mm ammunition115 grain controlled fracturing bullets1100 FPS muzzle velocity for consistent performance309 ft lbs muzzle energyQuality brass casing construction20 rounds per box packagingThis premium defensive ammunition combines Wilson Combat's quality manufacturing with Lehigh's innovative controlled fracturing technology delivering reliable performance for personal protection and tactical applications.