Mendoza HM-3

Submachine gun

HM-3 submachine gun

Mendoza Bulldog .380 ACP

Type| Submachine gun
Place of origin| Mexico
Service history
In service| 2011–present
Used by| Mexico [1]
Wars| Mexican Drug War
Production history
Designer| Héctor Mendoza
Designed| 1990s
Manufacturer| Productos Mendoza
No. built| 1,500 (2012)
Variants| HM-3, HM-4, HM-3 Short, HM-3 Long, HM-3 Mini (Bulldog)
Specifications

The HM-3 is a submachine gun of Mexican origin chambered in the 9mm calibre and, since 2011, in .380 ACP caliber for private security forces.

This sub-machine gun is manufactured by  Productos Mendoza, S.A. in Mexico. It is a lightweight weapon of reduced overall length achieved by largely extending the wrap around bolt forward around the barrel. A grip safety is provided to prevent accidental discharge. The stock is designed in a manner that makes folding and unfolding easy and provides a foregrip when the stock is folded. The selector lever is on the right-hand side of the weapon so that it can be operated by the right hand without releasing the weapon with either hand. The stock can be folded or unfolded while gripping the weapon with both hands unlike the previous models of the same gun and the magazine is located on the grip.[2]

## Variants

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### 9mm caliber models

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There are currently three variations on the HM-3 using a 9mm caliber round. The HM-3-S LONG is a 15.74 in (23.85 in with extended stock) long model, used primarily for the Mexican Police and other State and Municipal security forces. The HM-3-S SHORT is almost identical, with the exception that the barrel is shortened and therefore measures only 12.99 in (21.06 in with extended stock). The HM-3-S BULLDOG (also called HM-3-S Mini) is a miniature version of the weapon, especially designed to be carried by motorcycle police and bodyguards, and measures only 10.8 in (19.3 in with extended stock) in length and weighs 2,827 g (6.2 lbs) with a full 32-round magazine. All versions may use 20 or 32-round magazines.[3]

### .380 caliber models

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Since 2011, Productos Mendoza has manufactured a variation of the HM-3-S that shoots a .380 ACP caliber round. This is the largest caliber available to use by private security companies and individuals in Mexico, and the most popular caliber for personal defence in Latin America. The HM-3-S LONG model is called "COBRA .380" and the HM-3-S BULLDOG is called "BULLDOG .380". These names were created to facilitate the models' introduction to the consumer market. All specs are the same (excluding caliber) as the HM-3-S 9mm models, with the exception that .380 models can carry a 35-round magazine.

### Specs

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Model | Cartridge | Empty weight | Loaded weight | Length with folded stock | Length with extended stock | Barrel length | Magazine

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Mendoza HM-3 | 9 mm Luger | 2,700 g (5 lb 15 Oz) | 3,380 g (7 lb 7 Oz) | 400 mm (15.75 in) | 635 mm (25 in) | 225 mm (8.9 in) | 32 rounds
Mendoza HM-3-S Largo | 9 mm Luger | 2,620 g (5 lb 12 Oz) | 3,300 g (7 lb 4 Oz) | 400 mm (15.75 in) | 606 mm (23.9 in) | 255 mm (10 in) | 20 or 32 rounds
Mendoza HM-3-S Corto | 9 mm Luger | 2,370 g (5 lb 4 Oz) | 2,841 g (6 lb 4 Oz) | 330 mm (13 in) | 535 mm (21 in) | 210 mm (8.2 in) | 20 or 32 rounds
Mendoza Cobra 380 | .380 ACP | 2,769 g (6 lb 2 Oz) | 3,451 g (7 lb 10 Oz) | 400 mm (15.75 in) | 606 mm (23.9 in) | 255 mm (10 in) | 20 or 32 rounds
Mendoza Bulldog 380 | .380 ACP | 2,352 g (5 lb 9 Oz) | 2,827 g (6 lb 4 Oz) | 275 mm (10.8 in) | 490 mm (19.2 in) | 153 mm (6 in) | 20 or 32 rounds

## See also

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* SAX-200 Xiuhcoatl
* Mondragón rifle
* Mendoza RM2
* Zaragoza Corla

## References

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1. ^ Gander, Terry J.; Hogg, Ian V. Jane's Infantry Weapons 1995/1996. Jane's Information Group; 21 edition (May 1995). ISBN 978-0-7106-1241-0.
2. ^ "Modern Firearms - Mendoza HM-3 submachine gun". Archived from the original on 2010-08-19. Retrieved 2010-09-15.
3. ^ Productos Mendoza HM-3-S catalog, 2012

## External links

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* Official Website
* https://web.archive.org/web/20060828062417/http://www.probertencyclopaedia.com/cgi-bin/res.pl?keyword=HM-3&offset=0
* http://www.gunsworld.com/gun_smg/Mendoza_HM3.htm
* http://www.securityarms.com/20010315/galleryfiles/3000/3027.htm

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