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KBP A-91

Bullpup Assault Rifle [ 1991 ]

The A-91 bullpup assault rifle has seen limited production to date and is believed to be in service with a few select internal Russian units.

Authored By: Staff Writer | Last Edited: 09/10/2018 | Content ©www.MilitaryFactory.com | The following text is exclusive to this site.

Though born of the same line of KBP-designed A-91-series assault weapons (to include the 9A-91 assault carbine), the A-91 assault rifle is a departure in that it utilizes a "bullpup" configuration for ultimate compactness in-the-field. The action is set aft of the pistol grip/trigger group which allows a full-length barrel to be retained within a shorter overall gun body length. The result is a solid Russian-originated weapon that has seen limited acceptance beginning in 1990 with Russian Army and some select police forces.

Unlike other assault rifles, the A-91 is built with an integrated 40mm grenade launcher. This weapon fires various warhead types of the VOG-25 grenade series already in circulation with Russian forces and Russian military customers of the world. All told, the complete system weighs a manageable 9.5lbs while featuring a length of 26 inches with its 16.3 inch barrel assembly. The carrying handle is integral for facilitating transport. Overall construction is of polymers and usual service-duty metals.

Primarily chambered for the ubiquitous Soviet/Russian 7.62x39mm rifle cartridge, the A-91 is also marketed in a 5.56x45mm NATO form as the 5.56A-91. This version varies slightly in overall dimensions save for barrel length and is obviously marketed towards Western-leaning government armies and special law enforcement. In either form, the weapon is fed via a curved, 30-round detachable box magazine inserted into an awaiting well under the aft portion of the receiver - essentially the area making up the shoulder stock. To protect the firer during shooting, the A-91 features an extraction system that ejects the spent shell casings forward and away from the face (a detrimental quality of most bullpup weapons). Additionally, the feature is customizable for left-handed shooters making the A-91 an ambidextrous weapon.

The weapon is given a tried-and-true gas-operated action that utilizes a rotating bolt function to achieve a rate-of-fire of 600 to 800 rounds per minute at a muzzle velocity of 2,350 feet per second. Effective range is out to 1,000 meters with sighting through an included dioptric device.©MilitaryFactory.com
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Service Year

Russia national flag graphic


Bullpup Assault Rifle

KBP Instrument Design Bureau - Russia
(View other Arms-Related Manufacturers)
National flag of Russia Russia
(OPERATORS list includes past, present, and future operators when applicable)
Automatic Function
Features a mechanical function to automate the firing action.
Assault Rifle
Modern class of long gun featuring select-fire properties, automatic internal function, and magazine feeding.

Overall Length
660 mm
25.98 in
Barrel Length
415 mm
16.34 in
Empty Wgt
9.48 lb
4.30 kg

Iron Front and Rear; Dioptric Sight


Gas-Operated; Rotating Bolt

Rotating Bolt
System utilizes internal mechanism to lock the breech or rear barrel assembly prior to firing.
Gas-operated system is featured, typically involving a gas cylinder and rear-driven piston directing energy to the bolt component.
(Material presented above is for historical and entertainment value and should not be construed as usable for hardware restoration, maintenance, or general operation - always consult official manufacturer sources for such information)


7.62x39mm; 5.56x45mm NATO; VOG-25 grenade

Sample Visuals**

Graphical image of a 5.56mm intermediate rifle cartridge
Graphical image of a 7.62x39mm rifle cartridge
Rounds / Feed

30-round detachable box magazine; Single-Shot Grenade Launcher
Cartridge relative size chart
*May not represent an exhuastive list; calibers are model-specific dependent, always consult official manufacturer sources.
**Graphics not to actual size; not all cartridges may be represented visually; graphics intended for general reference only.
Max Eff.Range
3,280 ft
(1,000 m | 1,093 yd)
Muzzle Velocity
715 ft/sec
(218 m/sec)

A-91 - Base Series Designation

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