The Beretta Cx4 Storm is a pistol-calibre semi-automatic carbine aimed at the sporting, personal defense and law enforcement markets. It was designed to accept magazines from different Beretta pistol platforms (92/96, 8000 "Cougar" series, Px4) using adapters. The CX4 is available in 9×19mm Parabellum, .40 S&W, .45 ACP, and 9×21mm models. The .45 model can only use 8000 "Cougar" magazines.

Quick Facts Type, Place of origin ...
Beretta Cx4 Storm
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Beretta Cx4 Storm in 9×19mm Parabellum
TypeSubmachine gun
Pistol-calibre carbine
Place of originItaly
Service history
Used bySee Users
Production history
DesignerBeretta
ManufacturerBeretta
Produced2003–present
VariantsMx4 Storm (select-fire)
Specifications
Mass2.48 kg (Mx4 Storm)
2.575 kg (5.68 lb) (Cx4 Storm)
Length647 mm (Mx4 Storm)
755 mm (29.7 in) (Cx4 Storm)
Barrel length312 mm (Mx4 Storm)
422.5 mm (16.6 in) (Cx4 Storm)
Width63 mm (2.5 in)
Height190 mm (7.5 in)

Cartridge9×19mm Parabellum
9×21mm IMI
.40 S&W
.45 ACP
ActionStraight Blowback
Rate of fire1000 rounds/min
Muzzle velocity390 m/s
Effective firing range~200 m
Feed system8-, 10-, 11-, 14-, 15-, 17-, 20-, or 30-round box magazine
SightsRear: 2-position aperture flip sight; front: adjustable post
327 mm (12.9 in) sight radius
Close

The Beretta Mx4 Storm is the military version of the Cx4 Storm.[1] It is capable of fully automatic fire, features a 12-inch barrel, and is most commonly seen with a 30-round 9mm magazine that is compatible with Beretta 92 pistols.

Design details

Both the Cx4 Storm and Mx4 Storm feature a Picatinny rail on top of the receiver for mounting modern optics, and a tri-rail adapter for mounting flashlights, laser sights, grips and other accessories. The firearm also has some ambidextrous features, such as being able to switch the fire selector, charging handle, ejection port and magazine release to the left side.

The Cx4 Storm was developed to be used in conjunction with Beretta semi-automatic pistols so that a person can carry one type of magazine for two types of firearms. For example, the magazines for the Beretta 92FS chambered in 9mm can be used in a Cx4 also chambered in 9mm.

Conversion between 92/96, 8000/8040/8045 "Cougar" 9×19mm Parabellum/.40 S&W/.45, and Px4 Storm magazines requires changing two parts, a magwell sleeve and the magazine release button (sold separately).[2]

  • 92/96: C5A511 magwell sleeve, C89109 magazine release button
  • Cougar: C5A670 magwell sleeve, C89110 magazine release button
  • PX4: C5C620 magwell sleeve, C89210 magazine release button
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Canadian Beretta Cx4 Storm with 19-inch barrel and Bushnell MP red dot sight

In Canada, the Cx4 Storm was the primary weapon used in the 2006 Dawson College shooting. The restricted class firearm had been acquired legally, and a coroner's inquest into the shooting recommended that all semi-automatic rifles be banned in Canada.[3][4] The Common Sense Firearms Licensing Act passed in 2015 did not include a provision for such a ban. Sales of the CX4 Storm increased in Canada following the shooting,[5] and in 2011, Beretta introduced a non-restricted (19" barrel) variant of the Cx4, making it more accessible.[6] On 1 May 2020 the Canadian government reclassified the Cx4 Storm (in all its variants) to be prohibited firearms.[7]

Users

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A map with nations who use the Cx4 Storm in blue

References

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