Liberty ammunition steel plate & range is designed to increase safety and minimize the environmental concerns from lead.The ammunition is loaded with sinterfire projectiles.Liberty steel plate & range ammunition features lead-free bullets that crumble into very small pieces when they hit a metal backstop.These precision-formed bullets are made of sintered powdered copper thats compressed under heat and pressure to form a bullet.Sintered technology means theres no separate jacket that can produce sharp fragments on impact.Caliber: 9mmBullet Weight: 100 grMuzzle Velocity: 1250 fpsRounds Per Box: 50Boxes Per Case: 25Hazair: Yes