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    Heavy calibre ammo (Artillliery-IFV-AA-Helos-Naval guns)

    GarryB
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    Post  GarryB Wed Jul 10, 2019 5:57 am

    That 40mm grenade launcher looks much bigger and boxier than the Balkan design shown previously... I guess they didn't care about reduced weight for a vehicle mounted version...
    I am surprised they don't use a longer barrel on the 40mm grenade launcher to maximise effective range...
    0nillie0
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    Post  0nillie0 Wed Jul 10, 2019 9:27 pm

    GarryB wrote:That 40mm grenade launcher looks much bigger and boxier than the Balkan design shown previously... I guess they didn't care about reduced weight for a vehicle mounted version...
    I am surprised they don't use a longer barrel on the 40mm grenade launcher to maximise effective range...

    What confuses me about this picture is the following :

    The weapon displayed on the left looks exactly the same as the AP-23 cannon in the remote controlled weapon station. It has the same features, with exception of the barrel/muzzle device.
    If you look at the picture below, you can clearly see different elements of the weapons matching.

    As you already pointed out : Balkan 40mm grenade launcher looks totally different from both weapons show in this picture.

    However, if we look at the cartridges displayed with the weapon on the left, these clearly look like 40mm grenades of Balkan AGL.
    General purpose 23x115mm rounds would look more like in the picture below :
    Heavy calibre ammo (Artillliery-IFV-AA-Helos-Naval guns) - Page 6 C7c5c54149eec08a025208fe6d79dc6a

    Reference picture showing similarities and comparison to 40mm Balkan :
    Heavy calibre ammo (Artillliery-IFV-AA-Helos-Naval guns) - Page 6 588722789e81a53b755ad04edfd0c18e

    So IMHO what we have here is one of the 3 following situations :

    1) Both weapons displayed are the 23mm cannon AP-23, but the ammunition displayed is for the Balkan 40mm AGL. Such a missmatch would not be unthinkable, as the focus of this display was on the vehicle itself rather than the weapon system.

    2) The AP-23, like the 40mm Balkan AGL, uses caseless rounds, which could explain why the ammunition displayed here looks very different from general purpose 23x115mm rounds.

    3) Somehow, this is a new variant of Balkan AGL which looks almost identical to the newly developed "AP-23" system.

    My knowledge of these calibers as well as caseless ammunition is rather limited however, so i am not able to say which of the three statements (if any) is accurate.
    GarryB
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    Post  GarryB Thu Jul 11, 2019 8:19 am

    Interesting suggestions... and to be honest it is not outside the realms of possibility that they might make a unified vehicle gun base for low velocity rounds... the 23x115mm round is not a high velocity round by any means.

    Regarding displays with the wrong ammo or weapons... it has certainly happened before... I have seen Mi-24s displayed with R-60MKs, and of course a range of missiles displayed with aircraft upgrades that never actually entered service... the Moskit and Onyx/Yakhont missiles displayed with Su-33 and Su-32 aircraft are examples.

    The muzzle of the weapon to the left matches the ammo shown.

    I know the HMG gatling fitted to the Hind got an upgrade while in service, where the lighter gun YakB-12.7 which weighed about 45kgs was replaced with a 60kg version... the difference being heavier barrels that allowed the gun to fire the entire ammo load of about 1,500 rounds of ammo without overheating.

    This version might be made with more metal in a heavier version so it can fire a full payload of 300 or 600 grenades without stopping because of an overheating barrel.

    The 23mm cannons of the Shilka actually have a water cooling jacket fitted to them to allow a high rate of fire to be maintained, but neither of these guns appears to have a liquid cooling jacket fitted, though it might just rely on a short heavy barrel for the grenade launcher and an open bolt firing configuration.

    The silver of the rounds on the right hand side presumably to represent the 23mm cannon shells look the wrong shape to be brand new telescoped rounds of efficient shape... they do look similar in size to HMG ammo though... the 23x115mm rounds are much smaller than the 23x152mm or 30x165mm rounds...

    Heavy calibre ammo (Artillliery-IFV-AA-Helos-Naval guns) - Page 6 Helica10
    medo
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    Heavy calibre ammo (Artillliery-IFV-AA-Helos-Naval guns) - Page 6 Empty Russia tested new rounds for 30 mm guns. New APFSDS and new AHEAD type of ammunition.

    Post  medo Tue Jan 14, 2020 12:10 pm

    https://vpk.name/news/364993_noveishii_snaryad_dlya_boevogo_modulya_epoha_probet_bronyu_bredli_i_pumy.html

    Необитаемый боевой модуль "Эпоха" создан для установки на уже имеющиеся БМП-2 и БМП-3, а также на технику на шасси перспективных платформ, таких как "Курганец-25" и др.

    Поскольку сведения об этой новинке отрывочны, появилось много вопросов по установленной на модуль 57-мм автоматической пушке гранатометной баллистики.

    То, что это орудие существенно превосходило возможности широко известных 30-мм 2А42 и 2А72 по борьбе с живой силой, известно по обнародованным материалам об АГС-57, которая, как предполагается, и стала основой для новой пушки.

    Многие эксперты не были уверены в том, что это орудие будет способно эффективно бороться с бронетехникой. Однако по появившимся в Сети данным можно сделать вывод, что "Эпоха" получит бронебойно-подкалиберный снаряд. Наряду с противотанковыми управляемыми ракетами "Корнет" и "Булат" его продемонстрировали на выставке российских оружейных новинок, проходившей в рамках коллегии Минобороны в конце декабря текущего года.

    В результате, по мнению специалистов, российские БМП теперь будут способны эффективно поражать самые современные западные бронемашины, вроде германской "Пумы", не говоря уже о модернизированных версиях "Брэдли".

    Как сообщал Департамент информации и массовых коммуникаций Министерства обороны, в 2020 году в войска поступит первая партия БМП-3 с такими боевыми модулями. Также, по некоторым данным, "Эпохой" оснастят "Курганцы-25".

    It's about new ammunition for 30 mm guns. I place it here. Russia tested new rounds for 30 mm guns. New APFSDS and new AHEAD type of ammunition.


    Heavy calibre ammo (Artillliery-IFV-AA-Helos-Naval guns) - Page 6 Scale_10
    New 3UBR11 APFSDS 30x165 mm round for 2A42 and 2A72 guns. It penetrate 45 mm of armor at 60o at 1000m.

    Heavy calibre ammo (Artillliery-IFV-AA-Helos-Naval guns) - Page 6 Scale_11
    Comparison between old 3UBR8 and new 3UBR11


    Heavy calibre ammo (Artillliery-IFV-AA-Helos-Naval guns) - Page 6 1-290510
    New 30x165 mm fragmentation round with contact and distant fuse 3UOF23. Russia tested this round in 2015 with TKN-4GA-02 sight, which is used on BTR-82A It have special channel to use those distant fuse rounds.

    Some info from ROMZ:
    Комбинированный универсальный прицел ТКН-4ГА-02 предназначен для ведения наблюдения в боевых условиях, поиска, обнаружения, опознавания целей и обеспечения прицельной стрельбы из комплекса пушечно-пулеметного (пушка калибра 30 мм (2А72, 2А42 и т.п.) и пулемет ПКТ(М) калибра 7,62 мм), из комплекса пулеметного (пулемет КПВТ калибра 14,5 мм  и пулемет ПКТ(М)) вооружения объекта БТВТ по наземным и воздушным целям в дневных и ночных условиях.
    Модификация  ТКН-4ГА-02 представляет собой серийный прицел ТКН-4ГА-01 с размещением в изделии дополнительного канала комплекса дистанционного управления временем подрыва снарядов (КДУ ВПС).
    Прицел ТКН-4ГА-02 с системой КДУ ВПС обеспечивает возможность ведения стрельбы специализированными 30-мм осколочно-фугасными снарядами типа 3УОФ8 и 3УОФ23, применяемыми для осуществления дистанционного подрыва снаряда в воздухе  над выбранной целью, без непосредственного контакта с ней.
    Прицел ТКН-4ГА-02 предназначен для установки на колесных бронетранспортерах типа БТР-80, БТР-82, БТР-82А, а также в объектах типа БМП, БМД, МТ-ЛБМ, ПТ.

    TKN-4GA-02 is upgraded TKN-4GA-01 with additiona channel of distant fuse control KDU VPS. TKN-4GA-03 is modernization of TKN-4GA-02, where II tube night channel is replaced by thermal imager. Distant fuse rounds could be effectively used against ground and air targets.

    I hope BMPs and BMPT will also got new APFSDS and AHEAD rounds, which will increase their capabilities. AHEAD round will be also great for Tunguska and Pantsir, when they have to engage very small UAVs by guns.
    Isos
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    Heavy calibre ammo (Artillliery-IFV-AA-Helos-Naval guns) - Page 6 Empty New 30mm cannon

    Post  Isos Sat Apr 11, 2020 7:59 pm

    Rob Lee
    @RALee85
    ·
    9 min
    According to Izvestia, Russia is developing new 30mm cannon rounds for its armored vehicles and helicopters, including an armor-piercing fin-stabilized discarding sabot (APFSDS) round and a new HE-FRAG round with a remote detonation option

    https://iz.ru/export/google/amp/994525?__twitter_impression=true

    Didn't know where to put that so here is not bad.
    d_taddei2
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    Post  d_taddei2 Thu Apr 16, 2020 2:36 pm

    I think as garryb said a while back, 30mm on a heli can be over kill for soft skin targets although decent enough to attack apc mrap ifv SP arty. Did Soviets or Russians ever make a 14.5mm gattling type weapon? I think it would have been pretty useful to take out soft skin and light armour in modern warfare today there is many mrap or armoured 4x4 and some with protection against 12.7mm although not sure if the roof would be, the 14.5mm has better penetration than 12.7mm but having a 14.5mm gattling would be a good compromise instead of using the 30mm. Of course it would depend on the mission the heli was going to do. Maybe it's possible to have a 30mm gun mounted on the side of a mi-35 and a 14.5mm gattling on the other side or chin mounted have the best of both worlds. The plus point on the 14.5mm would be weight bro g lighter and number of rounds carried more when compared to 30mm also less recoil
    GarryB
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    Post  GarryB Thu Apr 16, 2020 4:44 pm

    Please note when I started this reply it was in the thread for the 57mm AA gun they are introducing...

    Traditionally the calibre has been dictated by the rate of fire and range/altitude.

    For instance... if you want to shoot at bombers flying at above 5k altitude then you need a large calibre gun... its low rate of fire means you need a lot of them of course.

    As targets got faster then you needed a high rate of fire and smaller calibre to fire enough rounds at the target while it was in range.

    The problem is that while very small calibres allow enormous rates of fire, they also limit the effect on target when hits are achieved, so you need a balance between rate of fire and weight of shell.

    During WWII probably the most common ground based AA vehicles in the Soviet Union were trucks with four Maxim rifle calibre machine guns mounted together, or later 12.7mm HMGs on a similar truck with one or two gun mounts generally. They did have a 37mm single barrel gun but it was not widely produced.

    The 14.5mm HMG was found to be rather effective against air targets at close range... it was a smaller lighter weapon that could be easily hidden and produced in numbers, and was used on the BTR-40 in a mount intended from the start to be fully dual role AA and ground support weapons. They also mounted 14.5mm KPV HMGs on train mounts and light APCs like the BTR-60 and BRDM-2 in place of a 20mm cannon as used in the west.

    The 14.5mm lacked the HE capacity of most cannon rounds but made up for that by having rather better kinetic armour penetration performance... effectively it has twice the energy of American 50 cal machine gun rounds (and 12.7mm Soviet HMG rounds too).

    In fact there is a South African anti material rifle that uses a 20mm cannon round for anti personel use but also a barrel for firing 14.5mm HMG rounds for anti armour use.

    They started using 57mm guns on AA gun vehicles because their standard towed AA gun was the S-60 57mm gun but the low rate of fire and lack of radar and four round clips meant new high speed enemy jets were just too difficult to engage, so they adopted the 23mm cannon in the ZSU-23-4 whose four barrels spit out 23mm cannon shells in enormous numbers and the radar gets them close enough to the target to make them very effective. Improvements in armour protection and helicopter sensors and missiles meant they replace the 23mm cannons with 30mm cannons in the early 1980s with a similar rate of fire but a heavier projectile able to take on heavier targets at greater distances.

    The vehicle that is the subject of this thread has taken things full circle and gone back to the 57mm guns... but just one this time.

    More precise servos, more accurate ammo, better optics, faster traverse and elevation, and new ammo types mean a new 57mm gun has become the best solution... the problem is small drones.

    At 3km a 200 round burst of 30mm cannon shells would likely cover a target 20m by 20m... which is huge. The 200 shells wont be centred around the centre... they will be scattered randomly around the entire area... now if you are a fighter plane or a hovering helicopter then a random scattering of 200 shells over that area likely means 30+ direct hits at random parts of your aircraft... which is going to be lethal, so everything is fine there, but if the target is an incoming cruise missile or a hand launched drone the size of a dinner plate then that 200 round burst and the next 200 round burst that follows it will likely miss you completely... the next two 200 round bursts will likely also miss... so 800 rounds fired and the target continues on its way... that is a problem... especially as those rounds only explode when they hit something so if they don't hit then they just blow past at high speed and do nothing at all except provide a fantastic light show for the drone operator watching all those 30mm cannon shells whip past.

    A proximity fuse wont help a lot because it will take up a lot of space... make each round a lot more expensive... and even then firing dozens of them they still might not get close enough to set them off.

    Going to a 57mm calibre round means a lot more HE and metal fragments so airburst rounds are much more effective, and if you can devise a cheap way to set them off at a useful distance then what you couldn't do with 800 rounds of 30mm ammo you might be able to do with 2-3 rounds of 57mm ammo.

    Being a bigger heavier round it retains velocity better so it will get to the target faster... and when it explodes near a target a 2kg HE charge with perhaps 3kgs of fragments means a much heavier shower of fragments much more likely to bring down aircraft targets... especially fragile little drones or cruise missiles.

    For a manouvering target you can use guided shells, but they will be rather more expensive so most of the time you would use airburst rounds against air targets.

    57mm rounds are also a useful solution to the problem that 30mm rounds are becoming less effective against enemy light armour... a 57mm APFSDS round could penetrate the sides of some tanks, so BMPs should be vulnerable at normal battle field distances too so it becomes a good weapon for BMPs.

    Did Soviets or Russians ever make a 14.5mm gattling type weapon?

    Not as far as I know... certainly nothing that made it into service. Gatling guns are for shooting at small fast targets in the air or from the air... so naval gatlings are common for shooting down Anti ship missiles, and for aircraft like the MiG-31 (23mm vs cruise missiles and fleeting shots at enemy aircraft) and Su-24 (23mm shots at ground targets flying low at near supersonic speeds), and the MiG-27 (30mm shots at ground targets while flying at high speed very low...).

    They also had gatlings on their Hind helicopters (12.7mm only AFAIK) and in gun pods... rifle calibre, 12.7mm calibre, 23mm calibre and 30mm calibre...

    [qutoe] I think it would have been pretty useful to take out soft skin and light armour in modern warfare today there is many mrap or armoured 4x4 and some with protection against 12.7mm although not sure if the roof would be, the 14.5mm has better penetration than 12.7mm but having a 14.5mm gattling would be a good compromise instead of using the 30mm.[/quote]

    Most of their wheeled APCs had 14.5mm guns like the BTR-60/70/80 and BRDM-2, the KPV seems to be a very solid gun that was rather reliable and popular, though the BTR-80A introduced versions with 30mm guns too.

    The new APC turrets for the new vehicle families seem to have Kord HMGs in 12.7mm calibre.

    Of course it would depend on the mission the heli was going to do. Maybe it's possible to have a 30mm gun mounted on the side of a mi-35 and a 14.5mm gattling on the other side or chin mounted have the best of both worlds. The plus point on the 14.5mm would be weight bro g lighter and number of rounds carried more when compared to 30mm also less recoil

    The current model Hinds have a chin mounted turret with the twin barrel 23mm cannon which is perhaps the best compromise... the ammo is 23 x 115mm so in terms of size it is similar to the 14.5 x 114mm ammo, but trades muzzle velocity and armour penetration for HE capacity with a much heavier and slower moving projectile. It has an excellent rate of fire which makes a gatling option pretty redundant in my opinion...

    Perhaps they could do what they did with the 57mm grenade launcher and design an APFSDS round for the 23mm cannon shell, but you would need a new dual feed design because the two different rounds would have totally different trajectories and therefore also rather different points of aim so you would fire one or the other but not both together...

    The connundrum for helicopters is that most of the time when they are shooting at targets with cannon they are generally shooting at soft targets that a good HE round is rather more useful against... anything with armour in close and a burst of 80mm rockets or ATGMs is generally the better solution.

    Because of this their 12.7mm HMG gatlings often were loaded with duplex rounds (ie two small projectiles in a 12.7mm case so effectively instead of launching one 50 gramme projectile at ground targets it was instead launching two 20g projectiles per shot... potentially killing two people instead of just ripping one in half).

    The problem with 12.7mm guns is that they are short ranged and when you can hit them... they can often hit you, so cannon with a better stand off range is best... hense the 30mm cannon step. They initially wanted 23mm cannon turret but couldn't get it to work so went for fixed guns so if they are fixed you can make them even more powerful right? Eventually they got the 23mm turret to work and went back to it because it offered so many ideals... heavy HE projectile, but small compact shell case so more ammo could be carried by weight... the smaller shell cases meant less propellent and less muzzle velocity which meant less recoil and less jumping off target during a burst. Higher rates of fire are possible because of the reduced recoil, so very high rate of fire bursts means a cluster of impacts on target at once with less recoil and similar number of carried rounds as when using a HMG gun.

    The 23mm gun is actually rather better for the job than any 14.5mm calibre weapon... ironically the American 20mm cannon round is actually more like the 14.5mm round with very high velocity lighter bullets than the slow 23mm rounds, but when you get hits the 23mm creates enormous holes and lots of damage, while 14.5mm and 20mm tend to just punch through...

    The new 30mm rounds as mentioned above will be good and will improve performance of existing systems on land, at sea and in the air, but in terms of AA the new 57mm rounds will be good too... I rather suspect they will keep using the 30mm for some roles like RWS for a Typhoon four wheel light attack/recon vehicle, and many APCs wont need a 57mm calibre gun anyway...

    Tunguska and Pantsir will benefit with new air burst ammo perhaps using a base laser sensor that can be detonated by the vehicle that fired the round at the ideal position as it approaches the target... it would renew the effectiveness of the 30mm against small targets without making them super expensive... instead of needing to fire hundreds or thousands of rounds at small targets a few rounds can be fired and detonated near the target which will send thousands of small high speed fragments at the small targets maximising the chance of a hit without needing thousands of rounds to be fired...
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    Post  TMA1 Sun Aug 21, 2022 12:37 pm

    Wasn't sure where to put these images but since I know the epoch medium pressure 57mm turret 8s going to be united to some of these vehicles I figured this was the best place to put the new images. Really exciting. Looks like the lower pressure 57mm apfsds that we all have discussed off and on. Finally a view. Damn this thing will be more effective than any 30mm apfsds.

    Heavy calibre ammo (Artillliery-IFV-AA-Helos-Naval guns) - Page 6 T3099610
    Heavy calibre ammo (Artillliery-IFV-AA-Helos-Naval guns) - Page 6 T6278010

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    GarryB
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    Post  GarryB Sun Aug 21, 2022 4:12 pm

    Lots more internal volume for propellent, while having more length for a longer penetrator should mean its APFSDS round is rather more effective than any developed for the 30 x 165mm round.

    The HE round is just a big bomb like this:

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    Post  Arrow Mon Aug 29, 2022 9:45 am

    https://2ch.hk/news/res/13053807.html

    Not good. The money for the Kurganets has been stolen.
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    Post  lyle6 Mon Aug 29, 2022 10:50 am

    Russian corruption is so backwards they still manage to deliver a working product that is on its way to eventual adoption.
    They should look to the chad Americans who embezzled billions of dollars for years on end and didn't produce anything. Razz

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    Post  Arrow Mon Aug 29, 2022 10:54 am

    Right, compared to the West, the corruption in Russia is much smaller.

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    Post  Werewolf Mon Aug 29, 2022 11:47 am

    Arrow wrote:Right, compared to the West, the corruption in Russia is much smaller.

    Just look at Russia's military budget 2021 (66 bln USD) and it's size, technology and manpower and compare that to Germany 60.000 soldiers, barely anything functioning some tanks, some artillery and a two handful jets and the budget is 47 bln USD. The West is highly corrupt.

    Overpriced toys that never make it to the military units or are in the end insufficient.

    You can't even blame this huge difference on ruble/euro conversion rate or anything at all. It is plain out corruption to the core.

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    Post  Big_Gazza Tue Aug 30, 2022 1:43 am

    Arrow wrote:https://2ch.hk/news/res/13053807.html

    Not good. The money for the Kurganets has been stolen.

    Meh.. Dvach/2ch is just a messageboard, its hardly an accredited news agency. Bolotin sounds like a theiving POS and probably deserves a spell in the slammer, but even if KTZ is in debt, has it been delivering on its obligations? Don't hear much about Kurganets these days - does the armed forces look favourably on the prototypes?
    TMA1
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    Post  TMA1 Tue Aug 30, 2022 2:05 am

    TMA1 wrote:Wasn't sure where to put these images but since I know the epoch medium pressure 57mm turret 8s going to be united to some of these vehicles I figured this was the best place to put the new images. Really exciting. Looks like the lower pressure 57mm apfsds that we all have discussed off and on. Finally a view. Damn this thing will be more effective than any 30mm apfsds.

    Heavy calibre ammo (Artillliery-IFV-AA-Helos-Naval guns) - Page 6 T3099610
    Heavy calibre ammo (Artillliery-IFV-AA-Helos-Naval guns) - Page 6 T6278010

    Was wondering if any of you guys confirm this is what the cyrillic translates to in english?

    ~~~~~~~~

    57-VBPS-2A94

    UBM21

    MAKE

    ~~~~~~~~

    Edit:also I cannot find any other details on any search engine of this ammunition. You guys got any info?
    caveat emptor
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    Post  caveat emptor Tue Aug 30, 2022 2:47 am

    Big_Gazza wrote:
    Meh..  Dvach/2ch is just a messageboard, its hardly an accredited news agency.  Bolotin sounds like a theiving POS and probably deserves a spell in the slammer, but even if KTZ is in debt, has it been delivering on its obligations?  Don't hear much about Kurganets these days - does the armed forces look favourably on the prototypes?

    Bolotin is in jail without right for bail since autumn of last year. KTZ went to bankrupt and Rostec took it over. Russian MoD didn't get any Kurganets. Bolotin and his associates are directly charged with stealing 90 million rubles, but final number is most likely bigger, as whole contract was for 5.2 billion.
    GarryB
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    Post  GarryB Tue Aug 30, 2022 11:44 am

    Was wondering if any of you guys confirm this is what the cyrillic translates to in english?

    ~~~~~~~~

    57-VBPS-2A94

    2A94 is the gun that fires this round... it is a grenade launcher type weapon with a heavy barrel able to fire slow heavy bombs and light fast penetrators.

    This is the ground based model:

    Heavy calibre ammo (Artillliery-IFV-AA-Helos-Naval guns) - Page 6 D3c64010


    The VBPS is the round, and of course 57 is the calibre in millimetres.


    Heavy calibre ammo (Artillliery-IFV-AA-Helos-Naval guns) - Page 6 Servei11

    As you can see from this chart for the 57mm high velocity gun based on the S-60, the APFSDS round is called BPS, so VBPS is clearly an APFSDS round.
    Hole
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    Post  Hole Tue Aug 30, 2022 12:02 pm

    TMA1 wrote:
    Was wondering if any of you guys confirm this is what the cyrillic translates to in english?

    ~~~~~~~~

    57-VBPS-2A94

    UBM21

    MAKE

    ~~~~~~~~

    Edit:also I cannot find any other details on any search engine of this ammunition. You guys got any info?

    MAKET, not MAKE. Means it´s not a live round but a model that represents the size and weight of the real one.

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