Fort Scott Munitions TUI ammo is a match grade handgun bullet, designed to be reassuringly effective for self-defense. Engineered to Tumble Upon Impact and create a dynamic wound cavity, the unique, patented design of Fort Scott's TUI pistol ammunition penetrates targets deeply. This load features a nickel-plated TPD-9 coated casing. Series Self Defense Caliber 9mm Luger Application Home Defense Bullet Type Solid Copper Spun Bullet Weight 80 gr Muzzle Energy 326 ft lbs Boxes Per Case 25 Rounds Per Box 20 Casing Material Nickel-Plated Brass w/TPD-9 Coating Muzzle Velocity 1356 fps Unit Of Measure box