Malyuk

«Vepr»
Assault rifleUkraine2015In service

Ukrainian bullpup conversion based on the AKM/AK-74: the internals of an AK platform inside a compact polymer shell.

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Assault rifle
ID — MALYUK
Designation

Malyuk

InterProInvest
Caliber
5.45×39 mm

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Data trust

Reliability
Unverified
Sources
Sources pending review
Sources and methodology

Identity

Designation
Malyuk
Alias
Vepr
Manufacturer
InterProInvest
Country
Ukraine
Year
2015
Category
Assault rifle
Status
In service

Ballistics

Caliber
5.45×39 mm
Muzzle velocity
900 m/s
Rate of fire
~600 rpm
Effective range
500 m
Maximum range
800 m

Dimensions

Barrel length
415 mm
Overall length
700 mm
Empty weight
3.8 kg

Mechanics

Operating system
Gas-operated, long-stroke piston (AK-derived)
Bolt / action
Rotating bolt (bullpup)

Feed

System
Curved double-stack magazine
Standard capacity
30 rounds

Fire modes

SafeSemi-autoAuto

Historical profile

Program Origins and Development

The genesis of the Malyuk, also known as the Vulcan-M, dates back to the early 2000s with the ill-fated Vepr project, Ukraine's first attempt to convert the Kalashnikov platform into a bullpup configuration. Following the failure of the initial design, InterProInvest initiated a radical redesign process in 2005 aimed at resolving the ergonomic and cooling issues encountered in previous prototypes.

The Ukrainian Ministry of Defense closely monitored the weapon's development between 2012 and 2015, viewing it as a cost-effective system to modernize the vast stocks of AK-74 and AKM rifles inherited from the Soviet era. Final state testing was completed in 2016, leading to official approval for limited adoption within elite units and paratrooper regiments of the army.

Technical Features and Design

The mechanical core of the Malyuk utilizes the proven long-stroke gas piston system and rotating bolt typical of the AK series, but houses it within an advanced polymer chassis that shifts the center of gravity toward the buttstock. This configuration reduces the overall length to approximately 712 mm without shortening the original barrel, thus preserving muzzle velocity and long-range ballistic accuracy.

One of the primary innovations concerns the convection cooling system, which utilizes the bolt's movement to expel heat accumulated around the barrel, preventing the overheating typical of enclosed bullpup designs. The weapon also integrates standard Picatinny rails and an ambidextrous fire selector, addressing one of the historical limitations of the Kalashnikov platform in terms of modularity and user interface.

Operational Service and Deployment

Although initially introduced in small numbers, the Malyuk saw its first operational use during the Donbas conflict, where it was extensively tested by Special Operations Forces (SSO) and intelligence units (GUR). The weapon demonstrated excellent reliability in urban environments and confined spaces, thanks to its compactness which facilitates deployment within armored vehicles or during raids behind enemy lines.

Starting from the full-scale Russian invasion in 2022, production was accelerated to equip a growing number of Territorial Defense and National Guard battalions. Variants chambered in 5.45x39mm and 7.62x39mm were frequently observed during the defense of Kyiv and subsequent counterattacks, gaining a solid reputation among Ukrainian fighters for its superior balance compared to standard AKs.

Legacy and Future Perspectives

The Malyuk represents the success of the Ukrainian engineering school in reinterpreting established technologies through modern indigenous solutions, moving away from dependence on Russian-made spare parts. Operational success has prompted InterProInvest to develop export versions, including variants chambered in 5.56x45mm NATO to increase its appeal on international markets.

Today, the weapon is considered one of the symbols of Ukraine's national defense industry, demonstrating how a Soviet-derived design can be transformed into a cutting-edge combat tool for the 21st century. Constant battlefield feedback continues to drive small incremental updates, solidifying the Malyuk's role as the standard assault rifle for the country's most elite units.

Variants

Malyuk 5.45Malyuk 7.62×39Malyuk 5.56 NATO

Main users

Ukraine

Key components

  • ●Stock — Shoulder rest.
  • ●Receiver — Weapon body with internal mechanisms.
  • ●Grip — Primary grip.
  • ●Magazine — Cartridge feed.
  • ●Barrel — Guides the projectile.

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