If SLAP rounds are faulty, and not the gun made of sewer pipes.

How come this M2 fires a frickton of them without problem.

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  1. 1 month ago
    Anonymous

    because

    • 1 month ago
      Anonymous

      NO, YOU HAVE TO LOVE THE SHITTY GUN MADE BY THE 70 IQ moron.
      WHY?
      YOU JUST DO OKAY

  2. 1 month ago
    Anonymous

    because to replicate the failure a hideously overpressure round had to be fired from the gun.
    as demonstrated, other guns fed that same level overpressure failed catastrophically as well.

    • 1 month ago
      Anonymous

      It was actually just a case head failure letting out the gas into the chamber behind the brass that has a face area triple that of the .50 cal brass and therefore the threads were subjected to 3x the load compared to normal firing and the gun exploded.

      • 1 month ago
        Anonymous

        is that why it engraved the case head on the endcap?

        • 1 month ago
          Anonymous

          Just a bit of overpressure. The gun wouldn't have exploded and almost killed the guy if it was designed with the bare minimum of intelligence and had a gas relief hole in the cap so the whole thing doesn't turn into a fricking pipe bomb. That thread length and diameter can handle an incredible amount of pressure, as long as it stays inside the chamber.

          • 1 month ago
            Anonymous

            >Just a bit of overpressure
            you said pressure had nothing to do with it.
            how much pressure does it take to engrave a brass form onto steel?

            • 1 month ago
              Anonymous

              Certainly less than it takes to blow out that frickhuge thread

              >if slap rounds are faulty
              THOSE slap rounds you moron, which were handloaded by a third party civilian.

              >2nd off, SLAP rounds were made explicitly for the M2
              I dont understand why people keep lying

              [...]
              To replicate the same problem with the same gun he had to overload the round dramatically.

              Why do you keep lying.

              [...]
              It's because they were overloaded.

              [...]
              He put the same load in a Barret and it detonated like a fricking hand grenade and shoved heavy shrapnel exactly where his head would have been

              I do not understand the desire to keep lying about this case. A gun doesn't have to be good to blame it's failure on what actually happened. We know exactly what happened. The Kentucky Ballistics guy has recreated the accident multiple times.

              >To replicate the same problem with the same gun he had to overload the round dramatically.
              That is the case IF the brass doesn't rupture. If it does then suddenly those threads are experiencing 2-3x proof pressure load.
              >He put the same load in a Barret and it detonated like a fricking hand grenade and shoved heavy shrapnel exactly where his head would have been
              >Increase pressure until you can blow out a frickhuge thread
              >put the same load in a normal gun and think you're proving a point

              If the case ruptures for any reason the high pressure gasses enter the cavity behind the case acting upon the surface of the cap which has a surface area 3-4x that of the case internal rear increasing the force in proportion because force = pressure * area.

              The simple fact is that as it is it is a faulty design and Serbu is either a hack for not realizing or a slimy bastard for hiding it and continuing to sell them. At some point in the future someone will find themselves using a weakened brass case and this time someone might actually loose their life.

              • 1 month ago
                Anonymous

                >Have accident
                >Recreate accident exactly
                >more than once
                >"No it cant be, it has to be the way it was in my imagination"

              • 1 month ago
                Anonymous

                Crazy overpressure like shown in that video will blow up most guns. That is not surprising in the slightest.

                However what is significant is that the Serbu has a different mechanism of failure that will make it blow up in scenarios where other guns would not cause a hazard to the user.

                Most firearms are designed such that if the case head ruptures and gas escapes to the rear it is directed away from the user and allowed to safely expand. In the Serbu however this gas is confined and blows up the gun injuring or killing the user.

              • 1 month ago
                Anonymous

                Right so this accident wasn't your lethal failure, and it's never happened, and it's never been experimentally shown, but it's the main problem here we all need to talk about, when talking about a specific, unrelated incident.

              • 1 month ago
                Anonymous

                Yeah because nowadays brass is high quality so nobody knows that head ruptures even exist so they design moronic guns that shit their pants due to something that used to be so commonplace that firearm designers used to use like half their time thinking of how to redirect gases safely without them getting into the eyes of the shooter etc.

                F = P * A is such a simple equation that this problem should be obvious to even you.

              • 1 month ago
                Anonymous

                The accident was due to massively overloaded ammunition. Everything indicates this.

              • 1 month ago
                Anonymous

                hey dude, it's not about the actual design, or the physics behind how the gun failed, it's about how they feel. they feel like the gun is bad, it doesn't matter what happened or why it failed.

                No other 50 cal would have failed as catastrophically in the same scenario because they let the gas vent.

              • 1 month ago
                Anonymous

                the barret popped like a balloon.
                but it isn't about reality, it's about how you feel.

              • 1 month ago
                Anonymous

                That was a different failure. It's not about the failure that actually happened in real life, I'm talking about a completely unrelated, hypothetical failure which hasn't occurred yet and wasn't being tested for, and I've decided that it would cause an explosion because it just would, ok?

              • 1 month ago
                Anonymous

                >It's not about the failure that actually happened in real life,
                oh, I figured we were discussing reality. My bad.

                Not the same scenario tho.
                100 mph car crashes aren't very survivable. 40 mph crashes are but it depends on the car model. If there was a death trap car model you wouldn't go comparing it to other cars in ONLY the 100 mph collision scenario.

                please see above.

              • 1 month ago
                Anonymous

                You've got no proof that the cavity pressurization wasn't the failure mechanism.
                And given the exceedingly strong lock on the Serbu it is in fact the most likely explanation for the failure. Overpressures required to blow it conventionally are humongous and therefore unlikely whereas the cavity pressurization just requires fatigued brass, something you might find in reloaded ammo in a caliber with such expensive brass.

              • 1 month ago
                Anonymous

                >You've got no proof that the cavity pressurization wasn't
                >if you can't prove a negative I win!
                you aren't capable of rational discussion. your addition to this discussion is of no value.

              • 1 month ago
                Anonymous

                I've made my argument for why the cavity pressurization makes more sense logically speaking.
                There doesn't seem to be any proof either which way as to which one it was this time and we know that all the parties involved are incentivized to lead the public to believe that it was JUST overpressure ammo.

                As far as I can see there's no evidence for either but the cavity pressurization makes more sense.

              • 1 month ago
                Anonymous

                Not the same scenario tho.
                100 mph car crashes aren't very survivable. 40 mph crashes are but it depends on the car model. If there was a death trap car model you wouldn't go comparing it to other cars in ONLY the 100 mph collision scenario.

              • 1 month ago
                Anonymous

                How is not the same scenario? The gun failed because of bubba's pissin hot handload. So when he tested a similar pissin hot handload in another gun, it failed just as catastrophically and arguably more so. Even in the video he was shooting the serbu took 2 over proof loads before finally failing on the third one. Same with the follow up video he did where he tried recreating the accident.

              • 1 month ago
                Anonymous

                Because the serbu threads are 1 1/2 inch 12 tpi threads. You cannot conventionally shear those threads with anything but ridiculous purposefully loaded overpressure ammo.
                Now on the other hand by pressurizing the cavity behind the brass to chamber pressure you increase the surface area the gas is working on 5x meaning that you can blow the breech with just slight overpressure rounds.

                Which is more likely, some frickhead boomer deliberately loaded some maliciously overpressure ammo OR said boomer slightly tipped the powder scale, loaded a proof load pressure, and used .50 BMG brass he has reloaded over ten times already because he's just gonna go sell them to some schmucks at the gunshow resulting in a gas leak from a crack at the base?

              • 1 month ago
                Anonymous

                >surface area the gas is working on 5x meaning that you can blow the breech with just slight overpressure rounds.
                it's 3x and the pressure is reduced as it fills the annular volume, not that you understand basic gas physics, but that's never stopped morons from being vehement.

              • 1 month ago
                Anonymous

                >it's 3x
                It's not tho. The ID of the cap is 38.1 mm or 1.5 inch whereas the ID of .50bmg is 17.4mm. Believe it or not a circle with a diameter of 38.1mm has five times bigger surface area than 17.4mm dia circle.
                >pressure is reduced as it fills cavity
                >pressure drops from 400 MPa to 300 MPa
                So fricking what? That just means that the force isn't 5x normal but "just" 4x normal

              • 1 month ago
                Anonymous

                >So fricking what?
                >why would basic physics factor into a discussion about physics?!
                >we aren't talking about reality!
                you are a pathetic clown.

              • 1 month ago
                Anonymous

                Whether it is 5x the force or "just" 4x the force is not all that relevant, hence the "so what" you fricking imbecile.

              • 1 month ago
                Anonymous

                why would a normal pressure round engrave the brass headstamp onto the steel cap?

              • 1 month ago
                Anonymous

                There's a difference between overpressure that will leave a mark on the bolt face and overpressure that will shear 1.5 inch 12 tpi threads. And that difference is a big one as you can see in this vid.

                Because we have video of him testing it with the remainder of the baggy he got.

                It doesn't matter whether the boom deliberately loaded them maliciously or did it on accident. Every single round in that batch was insanely overloaded to the point the brass is stuck, it stamped the steel behind it and the primers were nearly blown from the brass. It took Scott loading the round even further beyond to blow the gun. I don't care what .50 you load the rounds into, you don't have a gun anymore you have a bomb.

                Gun designs are generally designed to handle very large overpressure or at least fail safely. The Serbu action is more than strong enough by a large margin but there is a huge design flaw that being the enclosed cavity behind the case.

              • 1 month ago
                Anonymous

                >There's a difference between overpressure that will leave a mark on the bolt face and overpressure that will shear 1.5 inch 12 tpi threads.
                ok, what's the difference? you are very sure you know what they are, so what case pressure is required to generate so much force on the brass case head that it engraves the steel end cap?
                >least fail safely
                like how Barretts pop like balloons and blow massive trunnion pieces out?

              • 1 month ago
                Anonymous

                Well for example the .277 Fury requires a new case design because it's 80,000 psi is too much for brass cases.
                Lentucky Ballistics said he loaded a 180,000 psi .50 BMG to blow the Serbu and the Barrett so think you can sort of see the difference there what pressures start to cause issues and what pressures actually up guns.

                It is my opinion based on facts and logic that the SLAP round that blew the Serbu was in the .277 Fury level of overpressure and not 180,000 psi and that the failure was due to the design of the cap and could have been solved completely by the addition of one single vent hole.

              • 1 month ago
                Anonymous

                >opinion
                correct
                >facts and logic
                you show no facts and refuse to apply logic.

                Oh and on the "fail safely" part, that was based on reading Hatchers notebook where he details that he wasn't able to get a Springfield M1903 to blow up in such a way that the shooter is at significant risk despite certainly trying his hardest.

                >Hatchers notebook where he details that he wasn't able to get a Springfield M1903
                multiple 1903 explode and kill/maim people in that book, or did you not read the whole thing?

              • 1 month ago
                Anonymous

                Are we really gonna have this discussion again? Kentucky Ballistics was the one who fricked up, Serbu did nothing wrong. This is the equivalent to suing gun companies for mass shootings.

                >This is really what they think must have happened

                Or he could have just put a massively overloaded case in a gun, which blew it up.

                There is no proof for the official Serbu story other than that all guns blow up when you load 180 000 psi inside which is not proof at all.

                >multiple 1903 explode and kill/maim people in that book
                What page? I got the image from the book that even Hatcher himself was surprised by how safe the 1903 turned out to be even with extreme overpressures.

              • 1 month ago
                Anonymous

                Not him, and I'm going by memory, but a large early batch of 03's had bad heat treats. Instead of scrapping them they heat treated them *again*, and part of owning an 03 is finding out of you have a serial number that belongs to a double-heat-treated weapon, because enough of them blow up to make people nervous for better than a century.

              • 1 month ago
                Anonymous

                Yeah I know, the heat treat chapter was an interesting read but I don't think there were any serious injuries even with the receivers blowing up.

              • 1 month ago
                Anonymous

                so the part about the gun shooting multiple over-proof rounds was irrelevant to your analysis? that's my point of you being incapable of applying logic.

                Why would he do this for a man that nearly maimed and killed him?

                he literally has no reason to. Serbu couldn't pay him off if he tried and Scott has enough money to pop Barretts for the laughs.

                Yeah I know, the heat treat chapter was an interesting read but I don't think there were any serious injuries even with the receivers blowing up.

                well, that just goes to show your reading comprehension is about as good as your failure analysis, he states one of the rifles that exploded and killed someone and there were at least two other cases of serious injury.

              • 1 month ago
                Anonymous

                Oh and on the "fail safely" part, that was based on reading Hatchers notebook where he details that he wasn't able to get a Springfield M1903 to blow up in such a way that the shooter is at significant risk despite certainly trying his hardest.

              • 1 month ago
                Anonymous

                Because we have video of him testing it with the remainder of the baggy he got.

                It doesn't matter whether the boom deliberately loaded them maliciously or did it on accident. Every single round in that batch was insanely overloaded to the point the brass is stuck, it stamped the steel behind it and the primers were nearly blown from the brass. It took Scott loading the round even further beyond to blow the gun. I don't care what .50 you load the rounds into, you don't have a gun anymore you have a bomb.

              • 1 month ago
                Anonymous

                That video proves my point even further. He shoots the remaining 12 rds with just signs of overpressure and no real trouble and then has to load a ludicrously overpressure round to make the gun blow.

                Here's the truth, the SLAP round that blew the last gun was similar to the others, overpressure but not hot enough to blow the gun BUT it had weak brass that cracked, pressurized the cavity behind the case, and almost killed this guy by blowing the gun.

                This accident would have been avoided with one drilling op on the cap that would have dropped the pressures in the cavity to safe levels.

              • 1 month ago
                Anonymous

                >such a simple equation
                Almost like it's way too simple to be applied here, in fact. If you're 14 I'll let you off with thinking like this.

              • 1 month ago
                Anonymous

                And actually if we look at my post you can see that due to using 1 1/2 12 tpi threads, which are incredibly strong, the action would actually be completely indestructible if the cap was properly ventilated.

                https://i.imgur.com/3BUGayf.png

                This picture where I got the measurement is from Serbu's video.
                The internal diameter of .50 BMG is approx 17,4 mm and the cap internal diameter is approx 38 mm (1,5 inch). In area those are 237,8 mm^2 and 1134,1 mm^2 respectively. Therefore the cap has 1134,1 / 237,8 = 4,7691 or almost five times the surface area compared to the inside of the case.

                Therefore because F = P * A we can say that this firearm action lock will experience almost five times the force of normal firing if the case head ruptures and allows gas into the cavity behind the case.

                With .50 BMG having max chamber pressure of somewhere around 417 MPa the force of normal firing on the thread is 237,8 mm^2 * 417 MPa = 99 162 N (or 22 283 lbf) but if the case fractures the force with NORMAL max chamber pressure is a whopping 472 919,7 N (or 100 317 lbf)

                Additionally we can look at the thread strength. I'm not interested in calculating the thread strength but if we look at a 1 1/2 inch 12 tpi bolt those things have a tensile strength of
                94 900 lbf for grade 2
                166 000 lbf for grade 5
                237 200 for grade 8.

                I don't know what material is used in the cap and barrel and I don't know how much the thread length will affect the actual strength of the connection but we can see that if you add a bit of overpressure, as shown by the brass marks on the cap, and the pressurization of the cavity, it will blow off. CONVERSELY, if the pressure did not escape the chamber, to achieve 473 000 N (or 100 000 lbf) of force we would need a chamber pressure of 2 000 MPa or 290 000 psi which is completely crazy.

                So in essence, gas leakage is absolutely MANDATORY to blow up this strong of a firearm action, however if such leakage does occur, even NORMAL chamber pressures presents a significant hazard.

              • 1 month ago
                Anonymous

                hey dude, it's not about the actual design, or the physics behind how the gun failed, it's about how they feel. they feel like the gun is bad, it doesn't matter what happened or why it failed.

      • 1 month ago
        Anonymous

        I wonder if Scott would be willing to try again with verified actual real ones. Real ones aren't loaded with the wrong powders. Real ones aren't loaded with inconsistent charges.

        It was pretty definitively bubba's pissin hot counterfeit handloads dude. The infamous explosion is exactly why you should be wary of random gun show ammo. Especially the exotic and rare stuff. When you're shooting legit explodium rounds where a catastrophic failure could easily kill you then you need to know for a fact where your ammo came from or you need to be using a string from behind a barrier.

    • 1 month ago
      Anonymous

      >You're gonna go on your little YouTube channel
      >You're gonna tell everybody that my screw on bottle cap provides as much protection as an $8000 Barrett
      >You're gonna blame the ammo & say the same thing would've happened to an LMG as my PipeBomb-50
      >You got that you fat fricking Kentucky-bred moron?

      • 1 month ago
        Anonymous

        KB has more disposable money than Serbu.

      • 1 month ago
        Anonymous

        >This is really what they think must have happened

        Or he could have just put a massively overloaded case in a gun, which blew it up.

      • 1 month ago
        Anonymous

        Why would he do this for a man that nearly maimed and killed him?

        • 1 month ago
          Anonymous

          Because anon is very invested in drama about a caliber he can't afford to shoot and guns he can't afford to own.

      • 1 month ago
        Anonymous

        you don't fathom how much pressure threads can hold

  3. 1 month ago
    Anonymous

    1st and foremost, serbu guns are shitty
    2nd off, SLAP rounds were made explicitly for the M2, which bolt is made of more steel than most shoulder fired .50 cals.

    • 1 month ago
      Anonymous

      >if slap rounds are faulty
      THOSE slap rounds you moron, which were handloaded by a third party civilian.

      >2nd off, SLAP rounds were made explicitly for the M2
      I dont understand why people keep lying

      It was actually just a case head failure letting out the gas into the chamber behind the brass that has a face area triple that of the .50 cal brass and therefore the threads were subjected to 3x the load compared to normal firing and the gun exploded.

      To replicate the same problem with the same gun he had to overload the round dramatically.

      Why do you keep lying.

      Wasnt that because rounds were stored incorrectly for a long time?

      Like those old ass ww1 surplus turkish mauser ammo notoriously blowing up rifles

      It's because they were overloaded.

      Just a bit of overpressure. The gun wouldn't have exploded and almost killed the guy if it was designed with the bare minimum of intelligence and had a gas relief hole in the cap so the whole thing doesn't turn into a fricking pipe bomb. That thread length and diameter can handle an incredible amount of pressure, as long as it stays inside the chamber.

      He put the same load in a Barret and it detonated like a fricking hand grenade and shoved heavy shrapnel exactly where his head would have been

      I do not understand the desire to keep lying about this case. A gun doesn't have to be good to blame it's failure on what actually happened. We know exactly what happened. The Kentucky Ballistics guy has recreated the accident multiple times.

      • 1 month ago
        Anonymous

        >I dont understand why people keep lying
        I don't understand why you type like a gayot, but here we are.
        But anyways, yes, the .50 BMG SLAP was made explicitly with the M2 in mind. Any company that promises otherwise should be met with extreme scrutiny

  4. 1 month ago
    Anonymous

    Wasnt that because rounds were stored incorrectly for a long time?

    Like those old ass ww1 surplus turkish mauser ammo notoriously blowing up rifles

    • 1 month ago
      Anonymous

      >old ass ww1 surplus turkish mauser ammo notoriously blowing up rifles
      Didn't Ian from Forgotten Weapons dot com did a Q&A where he explained the Turkish Mauser ammo did not actually degrade over time, but instead it was factory loaded with proof pressures because when they read the documentation they mistakenly used the proof load for the ball ammo?
      In most cases the long term storage of powder leads to acid to leech out of the nitrated cellulose and progressively degrade its potency leading to weaker performance. I'm not saying it's impossible for pressures to go higher, but the Turkish Mauser ammo was the only example people mentioned.

      • 1 month ago
        Anonymous

        Based Türks making nuclear 8mm on a wartime production scale.

  5. 1 month ago
    Anonymous

    It’s because Serbu’s pipe gun had absolutely zero fail safe mechanisms to ensure the user wouldn’t be injured by the gun if it did blow up. Paul Mauser (and most other gun designers) learned this 125 years ago

    • 1 month ago
      Anonymous

      A mauser reciever can still be blown up, the port will only protect you in the event of a case head separation. Can't save you if the chamber's tensile strength is challenged.

      • 1 month ago
        Anonymous

        Mauser doesn't blow up if the brass just cracks and vents gasses which used to be a common occurrence in the early 20th century with faulty brass.

  6. 1 month ago
    Anonymous

    Because the SLAP round Kentucky Ballistics fired was a handload he got from a shady dude in a plastic baggy. He didn't get a factory made SLAP round.

  7. 1 month ago
    Anonymous

    This picture where I got the measurement is from Serbu's video.
    The internal diameter of .50 BMG is approx 17,4 mm and the cap internal diameter is approx 38 mm (1,5 inch). In area those are 237,8 mm^2 and 1134,1 mm^2 respectively. Therefore the cap has 1134,1 / 237,8 = 4,7691 or almost five times the surface area compared to the inside of the case.

    Therefore because F = P * A we can say that this firearm action lock will experience almost five times the force of normal firing if the case head ruptures and allows gas into the cavity behind the case.

    With .50 BMG having max chamber pressure of somewhere around 417 MPa the force of normal firing on the thread is 237,8 mm^2 * 417 MPa = 99 162 N (or 22 283 lbf) but if the case fractures the force with NORMAL max chamber pressure is a whopping 472 919,7 N (or 100 317 lbf)

    Additionally we can look at the thread strength. I'm not interested in calculating the thread strength but if we look at a 1 1/2 inch 12 tpi bolt those things have a tensile strength of
    94 900 lbf for grade 2
    166 000 lbf for grade 5
    237 200 for grade 8.

    I don't know what material is used in the cap and barrel and I don't know how much the thread length will affect the actual strength of the connection but we can see that if you add a bit of overpressure, as shown by the brass marks on the cap, and the pressurization of the cavity, it will blow off. CONVERSELY, if the pressure did not escape the chamber, to achieve 473 000 N (or 100 000 lbf) of force we would need a chamber pressure of 2 000 MPa or 290 000 psi which is completely crazy.

    So in essence, gas leakage is absolutely MANDATORY to blow up this strong of a firearm action, however if such leakage does occur, even NORMAL chamber pressures presents a significant hazard.

    • 1 month ago
      Anonymous

      >v threads instead of square threads
      If it used square threads, I doubt the cap would have gone flying.

      • 1 month ago
        Anonymous

        Square threads are moronic shit dude, there's a reason nobody uses them.

        • 1 month ago
          Anonymous

          lathes use them for some reason

          • 1 month ago
            Anonymous

            Lathes use acme threads. It's a compromise between square threads, which have less friction and backlash, and triangular threads, which are stronger and easier to machine.

            https://en.m.wikipedia.org/wiki/Trapezoidal_thread_form

        • 1 month ago
          Anonymous

          >Square threads are moronic
          03A3 has entered the chat.

  8. 1 month ago
    Anonymous

    homie this shit happened like 3 years ago who cares

  9. 1 month ago
    Anonymous

    >all ammo is literally the same thing in all cases
    Guess you're fine shooting Bubba's pissin' hot loads then.

  10. 1 month ago
    Anonymous

    i wish these bait threads would just get deleted
    this shit is honestly worse than shill, because at least shills are getting paid

  11. 1 month ago
    Anonymous

    Was it ever stated why he even had that shitty gun to begin with? In later videos he buys and destroys an m82 so I'm sure he had the cash for something not shitty if he wanted.

    • 1 month ago
      Anonymous

      Because he's a guntuber and his entire livelihood depends on buying and using different guns on camera; usually with a weird gimmick attached as well.

  12. 1 month ago
    Anonymous

    I think it was the gun. RN-50 right? You have to screw down a threaded cap over the chamber.

  13. 1 month ago
    Anonymous

    Are we really gonna have this discussion again? Kentucky Ballistics was the one who fricked up, Serbu did nothing wrong. This is the equivalent to suing gun companies for mass shootings.

  14. 1 month ago
    Anonymous

    >If false premise, how come unrelated video
    The problem isn't a SLAP round the problem is bubba's reloads you stupid subhuman. Why are you digging up drama from years ago you don't even understand to shitpost about?

    You're the same kind of fricking moron who thinks .40 blows up Glocks, aren't you?

  15. 1 month ago
    Anonymous

    The gun is faulty. It cannot ventilate overpressure safely and is technically just a pipe bomb

  16. 1 month ago
    Anonymous

    No russian gun catastrophically explodes. Just sayin'

    • 1 month ago
      Anonymous
  17. 1 month ago
    Anonymous

    Where is the video of the barrett exploding?

    • 1 month ago
      Anonymous

      ?

      • 1 month ago
        Anonymous

        At least with this design, the gun explodes sideways. And not right on the operator's face.

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