Beretta Mx4 Storm

Fabbrica d'Armi Pietro Beretta · Submachine-Gun · In Production · 2003

Weight (empty)2480 g (87.5 oz)
Overall Length647 mm (25.47")
Barrel Length312 mm (12.28")
Height189 mm (7.44")
Width63 mm (2.48")
Magazine Capacity30 rounds
Action TypeBlowback
Firing MechanismHammer Fired
Muzzle Velocity390 m/s (1280 fps)
Muzzle Energy567 J (418 ft·lbf)
Effective Range100 m (109 yd)
Frame MaterialFiberglass Reinforced Polymer

Primary Caliber: 9x19mm Parabellum

The Beretta Mx4 Storm is an Italian select-fire submachine gun developed by Fabbrica d'Armi Pietro Beretta as the military and law enforcement version of the civilian Cx4 Storm semi-automatic carbine. Introduced in 2003, the Mx4 Storm operates on a straightforward blowback principle with a closed-bolt, hammer-fired mechanism, chambered primarily in 9x19mm Parabellum with a .45 ACP variant also available. The weapon features a fiberglass-reinforced technopolymer frame that keeps the weight to jus...

Country of Origin: Italy