This new Beretta CX4 Storm rifle fires the .40s&w round. It has a 16 1/2" barrel with an overall matte black finish. This semi-auto rifle has a full length picatinny receiver rail, a side mounting mini rail, and an under barrel rail. It comes with two 14 round magazines, cleaning kit, manual, and a hard case. This gun uses Beretta PX4 magazines. Also the extractor, ejector, cocking handle, ejection port cover, magazine release button, and the manual safety button are reversible for right or left handed users.