The Magtech Clean Range line is manufactured using a non-toxic primer and fully encapsulated projectile to eliminate exposure to lead and heavy metals. Clean Range ammunition is the perfect choice for indoor range use. Series Protection Caliber 40 S&W Application Target Shooting Bullet Type Fully Encapsulated Bullet Flat Bullet Weight 180 gr Muzzle Energy 392 ft lbs Boxes Per Case 20 Rounds Per Box 50 Casing Material Brass Muzzle Velocity 990 fps Unit Of Measure box