This new Smith & Wesson M & P 40 pistol fires the .40 s&w round. It has a 4-1/4" barrel with a flat dark earth stainless slide and a flat dark earth frame. This semi-auto pistol has an ambidextrous slide release, an under barrel rail and the new VTAC night sights. These sights are double layered sights in that there is a set of hi-vis fiber optic sights on top and tritium night sights on the lower portion of the sight housing. This very cool pistol comes with two 15 round magazines, three backstraps, lock, and a hardcase. This is Smith & Wesson model #209920.