Beretta Cx4 Storm

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.

Beretta Cx4 Storm
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 (autofire)
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

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

Design details
Beretta Mx4 Storm

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
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
A map with nations who use the Cx4 Storm in blue

References
  1. "MP5 Gets Replaced". 2011-03-07. Retrieved 2011-03-07.
  2. "Converting magazine type in the CX4 Storm". Beretta USA Customer Help. Archived from the original on 9 December 2012. Retrieved 20 January 2011.
  3. "Dawson College killer's gun should be banned: coroner". Maclean's. Archived from the original on 22 February 2014. Retrieved 11 November 2014.
  4. "Canadian ban on semiauto rifle sought". NBC News. Retrieved 11 November 2014.
  5. "Gunman's weapon of choice sees spike in popularity". canada.com. Archived from the original on 2014-05-12. Retrieved 2012-09-07.
  6. "10 years after Dawson shooting, killer's weapon is more accessible than in 2006". Canadian Broadcasting Corporation. Retrieved 24 April 2019.
  7. "Regulations Amending the Regulations Prescribing Certain Firearms and Other Weapons, Components and Parts of Weapons, Accessories, Cartridge Magazines, Ammunition and Projectiles as Prohibited, Restricted or Non-Restricted: SOR/2020-96". May 2020. Retrieved 1 May 2020.
  8. Document difesa.it
  9. "Direzione degli Armamenti Terrestri" [Directorate of Land Armaments] (PDF). Italy Ministry of Defence (in Italian). Retrieved 21 May 2023.
  10. "Dud guns: MHA seeks report from BSF on Italian company Beretta". India Today. February 13, 2012. Retrieved 2022-08-05.
  11. Opencontent. "L'Italia ha inviato 11mila Beretta semiautomatici al regime di Gheddafi". Retrieved 11 November 2014.
  12. "Beretta CX4 Storm Carbine 9mm Semi-Auto, New". www.classicfirearms.com.
  13. "Beretta arms New York agency". Shooting Industry. July 2007. Retrieved 2008-10-27.
  14. O'Connell, Patrick M. (2008-05-30). "St. Louis police want more pistol firepower". St. Louis Post-Dispatch. Retrieved 2008-10-27.
  15. Burgess, Laura (July 2008). "The College of William and Mary Police Choose the Beretta Cx4 Storm Carbine/Patrol Rifle". Beretta USA, Corp. Archived from the original on October 15, 2008. Retrieved 2008-10-27.
  16. "Presidente Chávez juramentó a la Guardia del Pueblo para reforzar la lucha contra el crimen". Noticias24. Archived from the original on 26 February 2014. Retrieved 11 November 2014.
  17. "Venezuela National Guard with Cx4 Storm". The Firearm Blog. 2012-05-15. Archived from the original on 2012-05-25. Retrieved 2021-06-23.
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