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 9mm Bullet Weight 100 gr Boxes Per Case 10 Rounds Per Box 50 Muzzle Velocity 1250 fps Unit Of Measure box