Training dynamics provides fmj bullets in weights comparable to those found in fiocchi's premium defense and target cartridges to ensure performance consistency between training sessions and the real thing all while keeping training costs to a minimum.Caliber: 308 WinBullet Type: Full Metal Jacket Boat Tail (FMJBT)Bullet Weight: 150 grMuzzle Energy: 2781 ft lbsMuzzle Velocity: 2890 fpsRounds Per Box: 180Boxes Per Case: 1Application: Target,Range PracticeCasing Material: BrassHazair: Yes