Tags: Weapon.
The Beretta Mx4 Storm is the military version of the Beretta Cx4 Storm pistol-caliber carbine. It has a barrel length of 12 inches and is capable of automatic fire. The Mx4 can use pistol magazines or its own 30 round magazine. There is a rail on the top of the Mx4 for mounting scopes (day or night vision) laser aiming device or flashlight. There is another rail underneath forward of the trigger for mounting a grip laser or flashlight.