Tag: M110 SASS

M110 in Ukraine

Since around September 2022 there have been a small but steady stream of sightings of M110 Semi-Automatic Sniper Systems in use with combatants in Ukraine. The rifles began appearing on the southern Kherson front, before the city was recaptured.  While the Ukrainian 7.62x51mm UAR-10 designated marksman rifles are regularly seen intermittent sighting of M110s have continued. 

From the available evidence it appears that special operations units from the Ukrainian Security Service (the SBU), the Military Intelligence Directorate (GUR), the National guard and the Special Operations Forces (the SSO) are the primary users. Units operating with the rifles are believed to include Alpha Group and the 3rd and 8th Separate Special Forces Regiments, as well as a number of groups which, from the available imagery, have been difficult to link with parent units.

M110 with ATN THOR, taken during a range session, note butt extended (via Social Media)

Developed in the early 2000s by Knights Armament Company in response to the US Army’s requirement for a semi-automatic rifle to equip snipers, spotters and designated marksmen the M110 was adopted in 2008. Based on the SR-25, the 7.62x51mm rifle uses Stoner’s internal piston gas impingement system, and has a 20 inch barrel with a 1 in 11 twist. The rifle comes with a QD Knights suppressor and the initial issue optic was a Leupold 3.5–10× variable power daytime optic few of the rifles seen in use in Ukraine appear to be equipped with US issued optics. Both the US Army and USMC have issued the rifle with some variations in optics used and furniture.

A Ukrainian combatants I spoke to told me: “For a marksman, the top weapon. To work at short distances. The PBS system [meaning the integral suppressor] is standard in the kit. It is quiet compared to other rifles.” But he did note that he isn’t part of his unit’ s sniper group and has only used the rifle on the range. 

Three M110s with various optics, note suppressors not fitted, in their transit cases (via Social Media)

Most of the examples in Ukraine have the traditional fixed stock which was issued with the rifles, rather than the FDE Magpul PRS stock which is length and height which the USMC snipers have been issued. However, at least one rifle with a PRS has been seen in a photo and a least one rifle has been fitted with LUTH-AR MBA-1 stocks used on the Ukrainian UAR-10. Perhaps out of preference or replacing a damaged stock. In theatre the rifles have been seen paired with a variety of optics ranging from the original Leupold 3.5-10x variable scopes to ATN THOR 4 thermal optics and even a Trijicon 6×48 ACOG.

The earliest image of an M110 in Ukraine was shared on a Ukrainian telegram channel covering news around the city of Kherson in the early autumn of 2022. The original post is no longer available but shows a sniper in a ghillie suit unmistakably armed with an M110.

Early November saw Ukrainian operators share numerous photographs from a range session where the rifle can be seen fitted with an ATN THOR. December saw more photos shared of what is likely the same rifle, now equipped with a Trijicon 6×48 ACOG.

Two M110s photographed during a range session, one fitted with a LUTH-AR stock (via Social Media)

More photos of the same rifle fitted with the ATN THOR were posted by another operator in mid-November. Bravo Group shared a photo featuring an M110 in early December. Around the same time the F Spets instagram account shared a photo of a winter range session with an M110 visible. The same account shared a photo of three M110s in transit cases. Two of the rifles don’t have their suppressors fitted – though these may have been just removed for cleaning. The cases also show slings, various models of bipod an two have three mags apiece stored in one of the cases slots. As mentioned earlier one rifle has a PRS stock.

In late January a Ukrainian operator shared a montage video with a short clip of a range session with the M110 fitted with a 6×48 ACOG. A Japanese volunteer with the International Legion shared a photo of a scope-less M110 with his cat on 27 January. At the end of February an M110 with a LUTH-AR MBA-1 stock, possibly taken from a UAR-10 was shared. The same operator shared some new photos of M110s in March. The rifle with the LUTH-AR stock is seen again, in a photo with the logo of a group called ‘НЕПТУН’ (Neptune). In a second photo shared on 17 March we can see a pair of M110s, one without its suppressor fitted.

M110 with ATN THOR during a range session (via Social Media)

How many M110s are in use in Ukraine remains unclear but from a survey of the available imagery it appears that the number is relatively small. Multiple individuals have shared photographs of what appears to be the same rifles, not doubt because of its notoriety as a relatively rare weapon in theatre. Sources suggest that the rifles were available on a first come first serve basis when they arrived during the second half of 2022. Since they arrived they have been seen in various configurations and with numerous different optics mounted on them.

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Bibliography:

My thanks to the guys at the ShriekingDelilah instagram page and to Abraxas Spa, for their help with this article.

Ukrain Adopts New Semi-Automatic Sniper rifle: The UAR-10, TFB, (source)

M110 Semi-Automatic Sniper System, DVIDS, (source)

MTs-566 In Ukraine

On 15 March a report from Russia’s Federal News Agency featured an interesting semi-automatic sniper rifle – the MTs-566. The report shows a sniper team from Wagner, Russia’s largest private military contractor, in position in Bakhmut. The date the piece was filmed is unclear but the rifle itself is rarely seen and the footage gives us a decent look at the rifle and even of it firing a couple of rounds.

The MTs-566 is produced by TsKIB SOO, the Central Bureau for Sporting and Hunting Arms at Tula. It’s chambered in 7.62x51mm NATO and uses a short stroke gas piston system. It fulfils a similar role to the US M110 series of rifles or Ukraine’s UAR-10s. The MTs-566 was developed from the OTs-129 designated marksman rifle developed for a Russian military requirement. It has a 60cm or 24in barrel, feeds from 7.62 PMags and has a full length top rail. It also has a pair of folding iron sights and a side folding stock. It has a quad-rail forend and a suppressor which partially shrouds the rifle’s barrel. In the civilian version at least the suppressor is more of an empty expansion chamber without baffles, whether that’s the case with production guns or rifles purchased for military use is unclear. If the expansion chamber can is in use here then it appears to help somewhat. TsKIB SOO list the weight of the rifle as 4.8kg or 10.6lbs and its overall length as 125cm or 49in though other sources do vary slightly. Notably, the weapon’s lower receiver is much shallower with the pistol grip positioned much higher than say on an AR-10, suggesting a different firing mechanism requiring less space than the AR-10’s hammer. 

It was displayed for the first time in 2018 and was reportedly aimed at the civilian hunting market and due to be on sale in 2020. My good friend Hrachya got a good look at one at the 2018 Russian Arms & Hunting Expo. He wrote up a detailed article on it for TFB. The rifle has some interesting features including integral folding iron sights rather than rail mounted sights – the Russian military believed that these could be too easily damaged so Tula engineers designed integral sights, the rear sight folds back into the hinge of the stock. There is also rail space attached directly to the rifles receiver, seemingly for the mounting of accessories. 

The Russian news report says the sniper team is at work in Bakhmut. The sniper describes his rifle and notes its mounted with a 20x optic.  The sniper also says that:“I work at a distance of 700-800, sometimes 1000 [meters],” He also briefly talks about the 7.62x51mm round the MTs-566 uses, noting that: it works well and that it’s a pleasant round to shoot, he also says that while smaller they have good velocity downrange. During the clip the sniper fires two rounds in quick succession while his spotter watches the target downrange. It’s unclear what ammunition they are using but the rifle is said to be capable of 1 MOA accuracy but I couldn’t find any figures from  TsKIB SOO. It’s unclear how many MTs-566s might be in use in the field but this report represents the best look at the rifle we’ve had so far.

Support Us: If you enjoyed this video and article please consider supporting our work here. We have some great perks available for Patreon Supporters – including early access to custom stickers and early access to videos! Thank you for your support!

Bibliography:

How Wagner PMC Snipers Work in Bakhmut, RIAFAN, (source)

TsKIB SOO’s archived website c.2021 (source)

TsKIB SOO MTs-566 Rifle, TFB, (source)

MTs-566, Modern Firearms, (source)

Sniper rifle OTs-129, TopWar, (source)

My thanks top Soviet Army Fan over on twitter for some help with translation.