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    Russian Assault Rifles & Machine Guns Thread: #2

    franco
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    Post  franco on Fri Sep 18, 2020 11:35 pm

    The combined-arms army of the Eastern Military District, stationed in the Amur Region, received the first batch of modernized Pecheneg machine guns. The press service of the BBO reports.

    After the modernization, the light machine gun became more ergonomic, it became possible to customize the machine gun for a specific serviceman, as well as to mount various sighting devices and attachments using the universal mechanism of the Picatinny rail.

    For the convenience of hand-held shooting, an additional adjustable tactical grip appeared.

    The Pecheneg light machine gun with a caliber of 7.62 mm is designed to destroy manpower, transport and fire weapons, as well as low-flying air targets. It is developed on the basis of the Kalashnikov machine gun (PKM).

    In comparison with PKM, the accuracy of fire is almost doubled. For shooting "Pecheneg" can use the entire range of existing rifle cartridges 7.62 mm.

    The machine gun uses a forced air cooling system for the barrel. The adjustable gas venting mechanism allows Pecheneg to operate in any climatic conditions of the Far East.
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    Post  GarryB on Sat Sep 19, 2020 1:17 pm

    Nice, so they have added an adjustable length stock (ie customising the stock for each serviceman means they can change the length of the stock to suit different sized people and also the one person with or without body armour on.), and they have fixed the main problem of the new weapon which is that because the bipod has been moved from the gas system to the muzzle there was no where to put your free hand other than hold the gas system tube which is too hot for that after a few rounds have been fired.

    A front pistol grip should make handling much easier.

    Some ask why they have gone from mag fed LMGs like the RPK and RPK-74 to belt fed machine guns that are less reliable... well... mainly weight.

    To hold 300 rounds in box magazines means 10 x 30 round mags for the RPK and about 7 x 45 round mags for the RPK-74 which would be quite heavy... drum magazines are generally too expensive and also much heavier still, while three 100 round belt links or 6 x 50 round belt links are much lighter and also a much easier way to carry large amounts of ammo.

    Would like to see them introduce a new cartridge to replace the 7.62x54mm round though... the 6x49mm round seemed like a good choice... or case less... or EM or liquid propellent...
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    Post  Shadåw on Thu Sep 24, 2020 8:27 pm

    Just a short video of the RPL-20 LMG! Curious isn't it.

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    Post  GarryB on Fri Sep 25, 2020 8:56 am

    Looks good to me. 5.4 kgs empty and able to take non disintegrating link belts.

    That video was clearly edited because sometimes the belt was hanging down and other times it was gone.

    I would think some sort of system to collect the belts would be useful to stop them getting caught on bushes or even leaned on when going prone... sticking into your elbow would not be pleasant... and ending a mission with belts that could be reloaded fairly easily with belt loading tools would be a good thing too.

    Maybe a bag behind the ammo bag that collects up the link belts as they are used up to keep them out of the way...

    I wonder if a bullpup design with a backpack ammo storage system could be an option... it would make it rather more compact... you could even add a water system to pump water through holes in a barrel jacket to allow more sustained firing... they use them for computer CPUs and RAM... why not use it to fire more rounds at a target faster.

    Carrying enormous amounts of lighter ammo means nothing if you take hours to be able to use it because after 200 rounds you have to rest the barrel for 30 minutes...

    Perhaps a barrel jacket design that allows water to be pumped in and evaporate as steam without effecting the view down the sights.

    Of course quick replacement barrels is probably easier and simpler, but for vehicle mounted guns having a hose you can drop into a nearby river or swimming pool that lets you fire continuously for days would be cool.

    (The old Maxim machine gun could continue to fire as long as you had plenty of water and plenty of ammo... even modern gatling guns can't match that...)

    Would be interesting to see what sort of fire power this gun could show... perhaps with it in an overwatch position while rifle armed troops move forward from cover to cover while this gun suppresses actual target positions at different ranges as they go... just to see the fire power and accuracy on target...
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    Post  marcellogo on Fri Sep 25, 2020 9:52 am

    GarryB wrote:Looks good to me. 5.4 kgs empty and able to take non disintegrating link belts.

    That video was clearly edited because sometimes the belt was hanging down and other times it was gone.

    I would think some sort of system to collect the belts would be useful to stop them getting caught on bushes or even leaned on when going prone... sticking into your elbow would not be pleasant... and ending a mission with belts that could be reloaded fairly easily with belt loading tools would be a good thing too.

    Maybe a bag behind the ammo bag that collects up the link belts as they are used up to keep them out of the way...

    I wonder if a bullpup design with a backpack ammo storage system could be an option... it would make it rather more compact... you could even add a water system to pump water through holes in a barrel jacket to allow more sustained firing... they use them for computer CPUs and RAM... why not use it to fire more rounds at a target faster.

    Carrying enormous amounts of lighter ammo means nothing if you take hours to be able to use it because after 200 rounds you have to rest the barrel for 30 minutes...

    Perhaps a barrel jacket design that allows water to be pumped in and evaporate as steam without effecting the view down the sights.

    Of course quick replacement barrels is probably easier and simpler, but for vehicle mounted guns having a hose you can drop into a nearby river or swimming pool that lets you fire continuously for days would be cool.

    (The old Maxim machine gun could continue to fire as long as you had plenty of water and plenty of ammo... even modern gatling guns can't match that...)

    Would be interesting to see what sort of fire power this gun could show... perhaps with it in an overwatch position while rifle armed troops move forward from cover to cover while this gun suppresses actual target positions at different ranges as they go... just to see the fire power and accuracy on target...

    Some weapons (i think Pecheneg also) use a forced air duct that during use pump fresh air toward the barrel. Although not as efficient like the water cooling it doesn't require to carry the weight of water.
    I honestly didn't think that the barrel of a LMG would jam also in the case of firing the whole individual dotation in a single volley.
    Change barrel and put the used one in a water can would be enough.
    You get also hot water for the squad's tea in the process. pirat
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    Post  GarryB on Tue Sep 29, 2020 1:10 pm

    Some weapons (i think Pecheneg also) use a forced air duct that during use pump fresh air toward the barrel. Although not as efficient like the water cooling it doesn't require to carry the weight of water.

    The PKP uses a fixed barrel, so it needed something to improve cooling between shots. I believe they use Stellite material in the barrel to allow it to resist high temperatures. A friend of mine was in the New Zealand Army and they were told not to fire their machine guns more than a certain number of rounds per minute over periods of time, but as he said sometimes you had to exceed that. When they did what they used to do was piss on the barrels to help them cool and reduce the damage done to them. Didn't smell great though... tongue

    With the PKP being used in units with AK-74 rifles and also RPK-74 LMGs as well there is no real shortage of fire power there...

    With even modern LMGs having optics I would hope the days of firing long bursts in a general direction to keep enemy heads down would be a thing of the past and the ammo could be used rather more efficiently and not in quite such volumes...
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    Post  Hole on Thu Oct 08, 2020 12:06 pm

    Russian Assault Rifles & Machine Guns Thread: #2 - Page 10 Kord-510
    Russian Assault Rifles & Machine Guns Thread: #2 - Page 10 Kord-511
    Russian Assault Rifles & Machine Guns Thread: #2 - Page 10 Kord-512
    Kord-545

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    Post  magnumcromagnon on Thu Oct 08, 2020 5:02 pm

    Hole wrote:Russian Assault Rifles & Machine Guns Thread: #2 - Page 10 Kord-510
    Russian Assault Rifles & Machine Guns Thread: #2 - Page 10 Kord-511
    Russian Assault Rifles & Machine Guns Thread: #2 - Page 10 Kord-512
    Kord-545

    So Degtyaryov Plant then?
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    Post  Hole on Thu Oct 08, 2020 8:44 pm

    Yes.
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    Post  magnumcromagnon on Thu Oct 08, 2020 11:58 pm

    Hole wrote:Yes.

    They're also developing the AEK-6x49mm, it'd be cool if they developed the squad automatic weapon (SAW) and battle-rifle versions. It would also be nice if the SAW worked in the same vein as the Kord-12.7mm heavy machine gun, like an anti-sniper weapon. The 6x49mm SAW and battle-rifle's would be significant anti-sniper weapons.
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    Post  GarryB on Fri Oct 09, 2020 7:39 am

    The Kord-5.45 is for MVD and police forces, the military are not interested in it because it is too heavy.

    PKP is about the same weight, but has heavier but more powerful and longer ranged ammo.

    The box and drum only feed RPK-16 is about 4.5kgs and is much lighter but the drums and box mags add weight to ammo... the Kord is about 7.5kg and 7kgs in the newer model and can used drum or box or belt feed, but the RPL-20 is only about 5.5kgs but it can't use box or drum mags.

    The Kord 545 looks interesting but is probably too heavy.

    In 6x49mm calibre, all three would be useful as LMG because in terms of performance they would actually be better than the PKP in terms of power and range but the ammo would be lighter.

    The weight difference is interesting, if we go from the numbers from [url=modernfirearms.net]modernfirearms.net[/url], the weight of the RPK-16 is 4.5kgs, while the weight of the Tokar 2 is given as 7.5kgs, while the RPL-20 is given as between 5.2 and 5.5kgs empty.

    Note the Tokar fires from an open bolt only and is full auto only.

    For ammo, it says, a spare 300 rounds of 5.45x39mm ammo in magazines weigh between 4.8 and 6 kg (in 30-round box or 95-round drums), while same 300 rounds in steel belts will weigh approximately 3.9 kg.

    So 4.8kgs per 300 rounds in 10 x 30 shot mags.

    6kgs per 300 rounds in 3 x 95 round drums.

    3.9kgs in 3 x 100 round non disintegrating link belts.

    Which means each box mag weighs half a kilo, each 95 round drum weighs 2kgs and each 100 round belt weighs 1.3 kgs...

    In a unit where you want 1200 rounds of ammo for your LMG carried by your other squad members, that means with drums you will actually be carrying 1140 rounds in 12 drums of 95 rounds, or you can carry 1,200 rounds in 40 x 30 shot mags, or 12 x 100 round belts.

    12 drums would be awkward to carry, because they wont fit on chest rigs, and at 24kgs they will be the heaviest option.

    40 x 30 round box mags means you will just be taking 30 shot mags from the guys around you and they will weigh 19.2kgs.

    With 12 belts of 100 rounds each, the LMG guy could probably carry one on the gun and 3-4 belts on him, so the remaining 7-8 belts could be easily draped over the other squad members who drop them off to his position when you stop or come under fire. Those 12 belts weigh 15.6kgs.

    So the lightest the RPK-16 could be with 300 rounds is with 10 x 30 shot mags at 9.3kg, while the Kord 5.45 would be with three belts which would be 11.4kgs, while the RPL-20 with three belts would be 9.4kgs.

    At 1200 rounds the RPK-16 with 40 x 30 shot mags is 23.7kgs, the Kord 5.45 would be 23.1kgs, and the RPL-20 would be 21.1kgs.

    Obviously spare barrels would effect that too...
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    Post  magnumcromagnon on Sat Oct 17, 2020 1:06 am

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    Post  magnumcromagnon on Sun Oct 25, 2020 2:35 am

    From Army-2020:

    https://www.vitalykuzmin.net/Military/ARMY-2020-Exhibition-pavilions/

    RPL-20
    Russian Assault Rifles & Machine Guns Thread: #2 - Page 10 Army-2020-Pavilions-001-X4Russian Assault Rifles & Machine Guns Thread: #2 - Page 10 Army-2020-Pavilions-002-X4Russian Assault Rifles & Machine Guns Thread: #2 - Page 10 Army-2020-Pavilions-004-X4Russian Assault Rifles & Machine Guns Thread: #2 - Page 10 Army-2020-Pavilions-003-X4Russian Assault Rifles & Machine Guns Thread: #2 - Page 10 Army-2020-Pavilions-005-X4

    AK-19
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    A-762
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    AG-026 experimental underwater machine gun
    Russian Assault Rifles & Machine Guns Thread: #2 - Page 10 Army-2020-Pavilions-040-X4

    AO-46
    Russian Assault Rifles & Machine Guns Thread: #2 - Page 10 Army-2020-Pavilions-041-X4Russian Assault Rifles & Machine Guns Thread: #2 - Page 10 Army-2020-Pavilions-042-X4

    Tishina silent system
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    Kanareyka silent system
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    Russian Assault Rifles & Machine Guns Thread: #2 - Page 10 Army-2020-Pavilions-046-X4

    АО-36
    Russian Assault Rifles & Machine Guns Thread: #2 - Page 10 Army-2020-Pavilions-047-X4

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