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Assault Rifle / Assault Carbine [ 2020 ]

The M4-WAC-47 is being used by Ukrainian forces to initiate a move from old Soviet weapons to new, Western-minded types.

Authored By: Staff Writer | Last Edited: 03/02/2022 | Content ©www.MilitaryFactory.com | The following text is exclusive to this site.

A joint-venture between U.S.-based Aeroscraft (Worldwide Aeros Corporation) and Ukraine-based Ukroboronprom has produced the all-modern "M4-WAC-47" assault rifle. The product serves as a bridge solution between the aging stock of Soviet-era Kalashnikov AKM/AK-47 assault rifle series utilized by Ukraine for decades and the Western-centric AR-15/M16/M4 assault weapons family as Ukraine seeks closer alignment with NATO under the shadow of Russia aggression. The M4-WAC-47 utilizes both the 5.45mm and 7.62mm cartridge common to Soviet arms (as they are readily available in the Ukrainian inventory) with an eye to eventually modifying the guns to feed the 5.56mm NATO-standard cartridge.

The rifle follows the proven external and internal traits of the AR15/M16/M4 family with the obvious exception being the lengthened curved magazine - in the M16-style form despite its reliance on Soviet rounds. When compared to the standard U.S. M4 carbine, the M4-WAC-47 also has a longer barrel assembly at 16-inches to compensate for the more powerful 7.62mm Soviet cartridge and this assembly is further shrouded in perforated heatshield for heat dissipation along the barrel's length. The receiver, trigger group, and adjustable shoulder stock are all M16 in their style and function as is the slotted muzzle brake at the business end of the rifle.

The gun also accepts an Under-Barrel Grenade Launcher (UBGL) in the 40mm M203 grenade launcher form in which the magazine acts as the grip handle. The receiver and heatshield both carry a section of Picatinny rail for the fitting of accessories such as aimers, flashlights, and specialized optics. The upper rail runs form the receiver to just aft of the muzzle while the under-mounting takes up the length of the heatshield, terminating ahead of the frame/magazine feed.

Ultimately, the series is planned to include a shortened carbine assault form as well as a lengthened Designated Marksman (DM) rifle model.

Active, service-level testing of the M4-WAC-47 was conducted towards the end of 2018 with Ukrainian Ground Forces.©MilitaryFactory.com
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Service Year

Ukraine national flag graphic


Assault Rifle / Assault Carbine

Ukroboronprom - Ukraine / Aeroscraft (Worldwide Aeros Corporation) - USA
(View other Arms-Related Manufacturers)
National flag of Ukraine Ukraine
(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.
Accuracy / Precision
Long-range accuracy / precision capable; suitable for sniping, particularly when equipped with sighting aids.

Compact nature allows for relatively easy concealment.
Internal action allows release of single round per trigger pull, actuating a semi-automatic loading mechanism for successive shots.
An automatic, or pseudo-automatic, function is built into the system, allowing for repeat firing to be achieved.
Supports mounting of optics (scopes) to aid in accuracy for ranged fire.
Design allows for user adjustability of certain components for customization.
Design offers mounting points for external, after-market hardware including laser aimers, flashlights, scopes, and grips.

Overall Length
920 mm
36.22 in
Barrel Length
675 mm
26.57 in
Empty Wgt
7.94 lb
3.60 kg

Over-Receiver Optics; Flip-Up Iron.


Gas-Operated; Rotating-Bolt

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)


5.45mm; 7.62mm; 5.56x45mm NATO; 7.62x39mm NATO

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.
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
1,150 ft
(351 m | 383 yd)
Muzzle Velocity
2,500 ft/sec
(762 m/sec)

M4-WAC-47 - Base Series Designation.

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