Liberty's patented lead-free high-performance ammunition combines a significantly flatter trajectory, immediate synchronous spin, optimization for gyro stability, and yaw independence contributing to superior ballistic coefficients and improved accuracy extended range. Series Protection Caliber 38 Special Application Home Defense Bullet Type Lead Free Fragmenting Hollow Point Bullet Weight 50 gr Muzzle Energy 250 ft lbs Boxes Per Case 50 Rounds Per Box 20 Casing Material Brass Muzzle Velocity 1500 fps Unit Of Measure box