This is 40 S&W Speer Gold Dot Short Barrel 180gr. Hollow Point Ammo. This ammo is designed specifically for short barrel compact guns. It is designed to give you the velocity needed out of a short barrel weapon to get optimum expansion at short ranges. This is the ultimate personnal protection ammo for compact concealed handguns. This ammo contains a special powder formulation and bullet jacket to achieve the desired results. It comes packed in 20rd. boxes.