Black Storm: Converting Ukraine’s AK-74s into Bullpups

We’ve looked at a number of different bullpups currently in use with Ukrainian forces, ranging from Tavors to the locally developed Malyuk/Vulcan – check out those articles/videos if you haven’t already. 

In this article/video we’re going to take a look at another Ukrainian development which converts a standard AK-74 into a bullpup. The Black Storm BS-series of kits has been around since the mid 2010s and in recent months more and more imagery of Ukrainian personnel with Black Storm bullpup AKs has been emerging. 

The Black Storm kits are compatible with both AKM and AK-74 pattern rifle and the relatively simple designs allows the conversion of a conventional rifle into the bullpup with not alterations to the base rifle. 

A suppressed AK-74 next a suppressed BS-3 illustrating the overall length difference (via Black Storm)

To convert the rifle the stock furniture is removed, the pistol grip, forend and butt. The trigger transfer bar is then put in place and the lower receiver of the chassis is then attached which holds it in place. The new lower receiver has the pistol grip already attached. The butt assembly is then slide into place – this also covers the original trigger but leaves the magazine release exposed. There is a hinged cheek piece attached to the butt assembly. This can be pivoted out the way for access into the receiver and to allow the gas piston and bolt assembly and receiver cover to be placed. Finally, a top cover is slotted into place and retained by a catch to the lower. This covers the gas tube and barrel.   

The kit appears to be made from simple sheet metal stampings and is held together by slotting into pre-existing parts of the rifle’s original receiver and a couple of screws. While the chassis obviously adds weight to the weapon it does have the benefit of shortening the rifle and also shifting its centre of balance back.

The BS3 adds no additional controls to the rifle and the weapon is manipulated using it’s existing charging handle and safety-selector lever. The BS4 was developed in 2017 and introduced in 2018, adds a number of new ergonomic features with a left-side forward charging handle which makes the rifle much easier to cock and a new thumb actuated safety – which probably acts on the trigger transfer bar. A new extension to the magazine release lever has also been added to make magazine changes easier. Black Storm describe the BS4 as: “easy to put on and take off in the field, without intruding into the weapon. It is enough to remove the butt and stock, and you can install the Bullpup with one mounting bolt.” Both the BS-3 and BS-4 have a length of Picatinny rail under the lower receiver and require an optic riser rail for mounting an optic.

A BS-3 c.November 2022 (via Black Storm)

How well an optic mounted on a rifle in a Black Storm kit retains zero is unknown but the mount is fitted over the rifle’s rear sight block and held in place by a bracket under the barrel. This is then secured by four small bolts. 

The company says that both the BS-3 and BS4 are made from 1mm stamped steel and polymer. Black Storm list the weight of an AK-74 with the BS-3 kit installed, but without a magazine, as 3.4kgs. The weight of the BS-3 kit’s components is 1.2kg. A 2018 video, however, suggests that the kit’s components weigh just over 1.6kg (not including the rifle’s receiver, barrel and bolt assembly).

Black Storm list the weight of an AK-74 with the BS-4 kit installed, but without a magazine, as 3.9kgs. The weight of the BS-4 kit’s components is 1.7kg. Once installed with either kit the rifle has an overall length of 70cm (27.5in) down from 94cm (37in) for a standard configuration AK-74. 

A video review of the kit by one of the Ukrainian soldiers who has used it in the field

Black Storm list the BS-3 at 14,250 UAH ($387) and the BS-4 at 21,500 UAH ($585). From the information available it appears that the kits are purchased by servicemen privately, to adapt their issued service rifles.

A BS-5 has been developed, it’s unclear if this is in production but it is listed on Black Storm’s site and is said to be available. It has a length of rail along its top cover removing the need for an optic riser and also allowing the use of back up iron sights. It’s price is listed at 28,500 UAH ($775).

BS-3 with an EOTECH HWS XPS2, a laser/light module and a custom green camouflage paint job (via social media)

Photos of the BT-2 were shared in January 2015 and an early version of the kit was displayed at a Ukrainian military exhibition in 2015, the BT-3 and BS-3 variants were introduced in 2017 and 2018. The guns have seen combat use since at least 2017, with Black Storm sharing photos of a BS-3e used in Donbas in July 2017.  Since Russia’s invasion in February 2022, a number of photos and videos have shown the conversion kits in use with personnel from a variety of units.

During the first week of April combatants from the Georgian Legion shared a photo featuring a BS-3. In July a member of Azov Dnipro was photographed with a BS-3 outfitted with a thermal optic, bipod and suppressor. Interestingly you can see the remains of a green paint on the AK-74 receiver while the Black Storm kit has not been painted.  

In October 2022 a series of photo featuring rifles outfitted with the kits were shared. Two were shared by a member of ‘Cats Squad Special Company’ showing a BS-3 with an EOTECH HWS XPS2, a laser/light module and a custom green camouflage paint job.

A Black Storm BS-4 photographed at the front around Bakhmut, February 2023 (via Yuri)

The member of the Cats Squad shared another photo in November 2022, the rifle can now be seen fitted with a suppressor. On 7 January, photographer Viktor Fridshon took photos of Ukrainian soldiers in Krasna Hora, Donetsk. One of the soldiers had a BS-3 fitted with a micro red dot sight and painted in a green camouflage scheme. A the beginning of February a video of a Ukrainian combatant showing off his BS-3 was shared on line, in it he explains its features and demonstrated how handy it is. He has a vertical foregrip fitted and an Aimpoint red dot.

Most recently in early February, Yuri was kind enough to share some photos he took of a Ukrainian soldier’s BS-4, identifiable by the visible left-side charging handle and safety on the pistol grip. The rifle was kitted out with a vertical foregrip, suppressor, a thermal optic, laser/light module and a red dot sight on a 45-degree mount.

It’s unclear just how many of these Black Storm kits are being used by Ukrainian personnel and this brief look at examples from the field can’t be considered a representative survey. The kit itself, while heavy, does have the advantage of shortening the rifle’s overall length which is useful in some of the urban and close quarter fighting that’s ongoing. The fact the base rifle doesn’t have to be modified is also useful and means that users don’t have to physically modify issued service weapons. 


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Bibliography:

Thanks to Yuri, the guys at Streaking Delilah, War_Noir and Abraxas Spa for their help with this video.

Ukrainian Black Storm BS-4 Bullpup Conversion Kit for AK Rifles, TFB, (source)

BS-3, Black Storm, (source)

BS-4, Black Storm, (source)

BS-5, Black Storm, (source)

Black Storm’s Facebook Page (source)

Bullpup AK47/74, Reibert.info, (source)

Ukrainian Tavors – Fort-221 / Fort-224

In this video/article we’ll examine Ukraine’s other bullpup – the Fort-221 – the Ukrainian Tavor. 

In a recent video/article we looked at the Ukrainian designed and produced IPI Vulcan, a bullpup based on the AK platform, and the two have been confused in some media. The Fort-22 series Tavors originate from Israel’s IWI. Introduced in the early 2000s the IWI Tavor has been purchased and seen service with militaries around the world. Ukraine’s Tavors were offered by RPC Fort or State Research and Production Association “Fort” of the Ukrainian Ministry of Internal Affairs. The company was originally established in 1991, initially as a regional organisation and in 1998 it became a state enterprise. Located in Vinnytsia, in western Ukraine, the company initially focused on a line of pistols, pump-action shotguns and AKM variants.  

National Guard personnel armed with Fort-221 with M5 optics (Ukrainian National Guard)

From a survey of Fort’s website we know that IWI weapons first began to appear in the company’s product lists in late 2008 following an agreement to potentially license manufacture IWI products in Ukraine. This included pistols, submachine guns, rifles and the Negev light machine gun. 

In 2011-12 media reports suggested the Tavor was being produced in Ukraine and the guns appeared at a number of trade shows with RPC-Fort markings, including a company crest in the moulded stock. There is, however, some doubt about whether the weapons were manufactured in Ukraine, merely assembled or if they were produced in Israel with some Fort markings and shipped to Ukraine. The nature of the partnership is undisclosed but it has been suggested that if Fort gained substantial sales for the weapons then further manufacturer may have been transferred to Ukraine. 

Close up of the RPC Fort on a 5.56×45mm Fort-221 (Ukrainian National Guard)

In 2014, Colonel Vitaly Otamaniuk, the head of the artillery and missile management board of the Ukrainian Armed Forces, announced that the Fort-221 and Fort-223/224 carbines were adopted for arming the Ukrainian army, with an initial 500 ordered. While no further orders were publicly recorded we know that Police and internal security forces were issued the rifle as of 2016. The adoption of the rifles by Ministry of Internal Affairs units and the Ukrainian National Guard (which falls under the Ministry’s control) may be explained by the fact the Ministry owns RPC Fort.

Various Fort-22 series rifles on display (Ukrainian National Guard)

From photographs released before the February invasion we know that National Guard units including the Special Purpose units like the “Scorpion” Special Forces Detachment (Nuclear industry protection) and elements of the Special Operations Forces or SSO. These units are believed to include the 1st and 3rd Special Purpose Detachments based in Kyiv and the 8th Special Purpose Regiment in Khmelnytskyi as well as elements of the Ukrainian Ministry of Internal Affairs.

Member of the Ukrainian armed forces with a Fort-224 carbine (via social media)

There is some confusion around the Fort-22 series’ designations. From Fort’s website, circa 2020, we can see here that the majority of the IWI rifle range was on offer. There is some confusion around the designations with Fort-222 and Fort-223 not being listed here but there are photographs of Fort-223 marked 5.56  X-95 pattern guns seen trade shows, which suggests that for a time at least the 223 designation was used. But as we’ve seen from Fort’s 2010 website Fort-223s were not listed. The Tavors are listed as follows:

  • Fort-221 in 5.56x45mm and 5.45x39mm (TAR-21) – 468mm / 18.4in
  • Fort-224 in 5.56×45 and 5.45x39mm (X-95) – 330mm / 13in
  • Fort-224 in 9×19 (X-95 SMG) – 330mm / 13in

We can also see that the Uzi Pro is listed as the Fort-226 while the 5.56x45mm Galil Ace is listed as the Fort-227, the 7.62x39mm chambered version is the Fort-228 and the 7.62x51mm version is the Fort-229. The Ukrainians designed the Galatz accurised Galil the Fort-301 and the Negev light machine gun the Fort-401 both of which have been fleetingly seen in the field.

Further survey of Fort’s website shows that the Tavor series of rifles ceased to be listed on the page in March 2021 and IWI and Meprolight were removed from the site’s ‘Partners’ section in April 2021. Perhaps suggesting the end of the IWI-Fort partnership. The Tavor-pattern rifles are not listed by SpetsTechnoExport, Ukraine’s state export enterprise, but the IPI Vulcan is.

Member of the Ukrainian armed forces with a Fort-221 rifle (via social media)

Despite this we have seen a considerable number of the Ukrainian Tavor variants in the field. Since the Russian invasion in February the Fort-22 series have been most frequently seen with internal security forces and Ukrainian Army and National Guard special forces.

Within 48  hours of the Russian offensive Russian forces shared videos from what was said to be a captured Ukrainian National Guard depot. The video shows more than a dozen Fort-221s piled on top of crates. Around the same time they were seen to be equipping Ukrainian forces said to be linked to the Azov Brigade. 

Members of the Ukrainian armed forces with a Fort-224 carbines (via social media)

On 7 March former Ukrainian presidents Petro Porochenko and Oleksandr Turchynov were seen. Rallying Territorial Defence Force units in Kyiv, Turchynov was seen armed with a Fort-221.

On 9 March an unknown number were captured by Russian forces which seized the National Guard armoury near the Zaporizhzhia Nuclear Plant. At least one Fort-221 was shown by Russian state media.

A Fort-224 in 9×19mm (via social media)

The Ukrainian Tavors continue to surface in imagery from the conflict but it is difficult to tell where they’re being used and by which units. 

Both the Fort-221 rifle and the 224 carbine have been seen in the field, though it is often difficult to determine their chambering as the clearest indiction – the shape of the magazine – is invariably tucked under the user’s arm.  They are most often seen equipped with Meprolight M5 and M21 sights and a number of the weapons have also been seen to be sporting camouflage paint jobs.  

Thank you to those who have helped me collect images of the Ukrainian Tavors in the field, including Sad_Sand and DixieMauser and thank you also to Remigiusz Wilk.


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Bibliography

Interpolitex 2011, Vitaly Kuzmin, (source)

Ukraine Manufacturing Tavor in 5.45x39mm, TFB, (source)

Shield and Sword of Ukraine: Main Achievements of thr Defense Industrial Complex for 2017, Defense Express, (source)

Fort.vn.ua, via WayBack Machine, (source)

Kyiv Police being introduced to 9x19mm Fort-224 carbines in 2016, Kyiv Police, (source)

Cutaway Tavor

Last week Matt attended SHOT Show 2020 and spotted a pair of Tavor cutaway demonstration guns at the IWI booth. Above is a quick video, put together on the fly, looking at the cutaway guns and showing how they illustrate the Tavor’s working parts and operation.

DSC_0353
Cutaway IWI Tavor (Matthew Moss)

Developed in the mid-1990s to meet IDF requirements for a reliable and compact rifle to replace the M16s & M4s in service. The rifle had to be shorter to deal with the close quarter urban fighting the IDF often found itself in.

The Tavor or TAR-21 uses a long strike gas piston system inspired by the AK and has a rotating bolt. The bullpup configuration gave the desired compact weapon without sacrificing barrel length.

DSC_0355
A closer look at the gas piston system, the barrel, chamber and the bolt face (Matthew Moss)

The cutaway rifles on display at the IWI booth were actually civilian, semi-auto only, Tavor SARs but they give us a good look at the rifle’s internals and how the Tavor functions. We can see the gas piston system, the charging rod and the barrel at the bottom. Moving back we can see the chamber, the bolt carrier group, the sear assembly and the bolt hold open mechanism.

DSC_0354
In this photo we can see the cutaway magazine as well as the mainspring at the top of the photo and below it the bolt carrier group and the bolt release mechanism (Matthew Moss)

They also cutaway the magazine so we can see the spring inside. At the top of the weapon we can see the mainspring that stretches back into the butt. The model was fully functional so on pulling the trigger the connecting rod acted on the sear release to trip the firing pin.

Additionally, the bolt release, just behind the magazine, also functioned and when operated the bolt went forward onto battery. The Tavor entered service in the early 2000s and has been superseded by the X95 and joined by the 7.62 chambered Tavor 7.

We will have a more in-depth video on the Tavor in the future.


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