Is it time for?

Is it time for /k/ to admit that 300BLK is actually kino?
Makes for a fantastic SBR round.

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  1. 1 year ago
    Anonymous

    > kino
    I have no idea what that means in the context of shooting guns, but if it makes you happy, go for it.

  2. 1 year ago
    Anonymous

    300 black out is only good If you like suppressed SBRs. Otherwise 556 is good enough for whatever you need.

    • 1 year ago
      Anonymous

      >if you like suppressed SBRs
      that I do

    • 1 year ago
      Anonymous

      >Makes for a fantastic SBR round.
      True

      Best 7.62 round for anything shorter than 12”

      >if you like suppressed SBRs
      that I do

      If you want a SBR caliber that isn't 300blk, 458 Socom makes more sense

      I’ve never seen anyone deny .300 AAC, it’s just too niche compared to 5.56. If I had a can and an SBR, it would indeed be kino.

      >sbr, sbr, sbr, sbr
      It's true that it's superior for barrels under 12".
      However, it's awesome out of a 16" barrel too.
      A 16" barrel suppresses better and stays much cooler. It also gives supers ballistics superior to 5.56 out of the same length barrel out to just shy of 200 yards.

      If I weren't going to suppress, I'd just get 5.56 and have a longer effective range. However, suppressed .300blk is better and is better out of a 16" barrel.

  3. 1 year ago
    Anonymous

    Best 7.62 round for anything shorter than 12”

    • 1 year ago
      Anonymous

      >he doesn't blind multiple opponents at once with the muzzle flash of a .308 pistol
      ngmi

    • 1 year ago
      Anonymous

      Triarc actually tested a bunch of 300 blackout out of a 10.3" barrel (they put a pdf out about it), and it turned out several commercial 125gr supersonic loads like Sig's stuff are moving faster than 124/125gr 7.62x39 out of a Yugo m92 10", giving them more energy, including golden tiger and the Yugo brass case surplus stuff.
      Really surprised me, I figured x39 would still have a slight edge.

      • 1 year ago
        Anonymous

        I would say that's a valid test however, they are literally comparing brass case and gucci .300 blackout which is loaded for short barrel to standard barrel use vs cheap shit steel case and surplus ammo for standard or long barrel (Rpk) lengths. Switching to a similar burn rate powder would technically make 7.62x39 superior because of extra case capacity and more energy for the same pressure.

  4. 1 year ago
    Anonymous

    350 legend does it better.
    >but what about ....
    yeah, thirty-five leg is doing that exact same thing, except with better results and fewer problems

    • 1 year ago
      Anonymous

      >except with better results and fewer problems
      Except for being able to use actual rifle projos, diameter .358", anyway. But that's what 358 Legend is for, I guess.

    • 1 year ago
      Anonymous

      >.458 SOCOM* does it better
      FTFY

    • 1 year ago
      Anonymous

      >fewer problems
      What problems does 300 blackout have that 350 "solves"?
      Also, what fricking mag are you running that's actually reliable when loaded with more than ten rounds?
      Also, why the frick would you ever consider that cartridge when 450 Bushmaster and 458 socom exist and do everything better than it?

      • 1 year ago
        Anonymous

        >What problems does 300 blackout have that 350 "solves"?
        Expanding subsonic options. You can buy good 350L subs at the store, only a tiny number of available 300BO expand at subsonic velocities and those are boutique loadings.
        >magazines
        20 rounder cmmg steel mags have been perfectly reliable in my experience.
        https://www.scheels.com/p/cmmg-ar15-350-legend-20-round-magazine/81004623035.html
        In stock 25 bucks. I'm sure someone will come out with a dedicated 30 rounder eventually.

  5. 1 year ago
    Anonymous

    Now when it was blown out by .350L.
    Heavier subsonics, subsonics that actually expand, and more powerful supersonics.

    • 1 year ago
      Anonymous

      If you want a SBR caliber that isn't 300blk, 458 Socom makes more sense

      • 1 year ago
        Anonymous

        >458 Socom makes more sense
        Sure, if you want the same capacity as a 590.

        • 1 year ago
          Anonymous

          I'm not fighting wars. 6000 grains of lead in a magazine is plenty.

      • 1 year ago
        Anonymous

        >it just makes more sense to pay $4/round

        • 1 year ago
          Anonymous

          I was gonna call you out, but I can't actually find any subsonic expanding 458 SOCOM for sale.

  6. 1 year ago
    Anonymous

    There's a .350 legend revolver, and that makes it far more based than .300 blackwiener

  7. 1 year ago
    Anonymous

    I’ve never seen anyone deny .300 AAC, it’s just too niche compared to 5.56. If I had a can and an SBR, it would indeed be kino.

  8. 1 year ago
    Anonymous

    .300blk suppresses better than 5.56
    .300blk is ballistically superior to 5.56 inside of 200 yards.

  9. 1 year ago
    Sage

    >laughs in centimeters

    • 1 year ago
      Anonymous

      I don't think anyone has mentioned a caliber weaker than 10mm itt.

      • 1 year ago
        Anonymous

        Probably not and anon was silly for mentioning a pistol round in a rifle thread. That said a 10mm hi-point can get you about 1000 ft-bls inside of 100 yards.

      • 1 year ago
        Anonymous

        https://i.imgur.com/sPI468K.jpg

        Probably not and anon was silly for mentioning a pistol round in a rifle thread. That said a 10mm hi-point can get you about 1000 ft-bls inside of 100 yards.

        Look, if you don't agree with the NFA definition of an sbr, then fine, 10mm is strictly a pistol round.
        However any 10mm carbine worth a frick will be in SBR configuration
        Never once did I claim superior energy, only that it was a based SBR round.

        What exactly is your use case for ~2000 ft/lbs of torque on a 7 inch barrel? Are you trying to defeat steel plates? Begause I can assure you 10mm will turn Kevlar to dust and it won't hit the neighbor's house if you miss a home intruder.
        Please explain to me how this round is *not* based in an SBR

        • 1 year ago
          Anonymous

          >Begause I can assure you 10mm will turn Kevlar to dust
          No it doesn't. It's a weak round against armor with no meaningful AP options and without enough case capacity to accelerate non-moronic projectiles to armor defeating velocities.

          • 1 year ago
            Anonymous

            Lightweight copper solids out of a long barrel 10mm will 100% go through kevlar. I get 1700 fps from my Lehigh 90gr defender rounds out of a 5 inch barrel if I put those in a rifle it would fly through kevlar and they aren't even that expensive.

            • 1 year ago
              Anonymous

              >would
              1) prove it "would"er
              >Lehigh 90gr defender
              2)Could you link to the projectile you are referring to? I can't find a 10mm xtreme defender at 90 grains.

              • 1 year ago
                Anonymous

                Sorry it's 115 grain I was looking at the wrong box. It's the Lehigh defense brand that I got from midway.
                Give me a long barrel 10mm and 3a panel and I'll shoot the shit out of it.

  10. 1 year ago
    Anonymous

    I do like 300, but I think it's a bit oversold. As in, if you set a gun up perfectly for suppressed subsonic usage, you really need to modify the buffer to shoot supers thru it as well. This of course pertains just to DI guns, but my suppressed 300 works 100% reliably with subs but requires a light carbine buffer. If I shoot supers and keep the can on, the light buffer is really suboptimal and beats up the gun a lot, I need to switch to an H3. So that's a bit disappointing. So I've just decided to keep it as a 100% suppressed, subsonic only gun and for that purpose, it's great.

    • 1 year ago
      Anonymous

      You just use an adjustable gas block. I think the bigger problem with switching back and forth is the change in point of impact and having to re-zero. People act like you can just throw in subs and be super quiet. To your point, you can't. Your sights will be off and your gas system not properly adjusted. However, subsonic rifle loads are moronic. I only shoot 120gr .300blk because it's actual rifle powered rifle rounds. All the powder still gets burnt up in the barrel and the suppressor has an easier time handling the gas vs. 5.56 and everything stays cooler which is a big plus in my book.
      If I were going to shoot subs, I'd just use a PCC I don't care if it has a slightly worse drop rate past 100 yards.

      • 1 year ago
        Anonymous

        Get an adjustable gas block and throw your buffer weights in the trash.

        that's a completely fair point, if I wanted to optimize it I should get an adjustable block. But as mentioned, zeros are off regardless. So I just ended up buying another 300blk just for use with supers and therefore I don't need a can on it so I can keep it short and light. I realized that there's no practical reason to switch quickly from subs to supers, I'm not stealthily killing guards in a compound prior to an assault.

    • 1 year ago
      Anonymous

      Get an adjustable gas block and throw your buffer weights in the trash.

  11. 1 year ago
    Anonymous

    For decades people, including all of /k/, had arguments about whether 5.56 or 7.62x39 was the superior rifle round out of standard unsuppressed military style rifles.
    Both sides had valid points. We dedicated threads for that caliber war for years, the debate went on for years.
    I believe that 5.56 eventually won out due to being flatter shooting and having the tumbling effect.
    However, today both suppressors and SBR's have become popular again adding a new aspect to that debate and we all agree that for very short barrels and for suppressing 7.62x39 is better.
    Does that mean that given how long the debate went on without consideration to SBR's and suppressors that today 7.62x39 would be considered superior?

    Well, they each have advantages over the other the only reason I mention it is because 7.62x39 is extremely similar to .300blk supers.

  12. 1 year ago
    Anonymous

    Sigh.. Everyone trying to argue points they'll never actually apply irl... Look gentlemen, it's just basic fricking physics. You make up for slower velocity by an increase of mass to maintain lethality. Sure, .300BO has that bad ass coefficient for a bit mord reach while holding on to a more lethal velocity. But you know what would also work as well? A fricking carbon arrow fired out of a good slingshot.. In fact, it would be more silent, reach further and prove more lethal. Do you want bragging rights about how you spent a fortune to look cool? Or do you want some fricker dead and to walk away with nobody aware some fricker just died? Hell, a good suppressed .45 acp works great. Especially when you hide it in a pizza delivery bag. Even the slide sound is barely audible then. Why not poison darts from a blow gun disguised as a cane or even blind guys stick? Hell, any of you know how to use a garrote? I prefer those big hvac zip ties. Try this: Carry lollipops with good handles. Put the candy part in your hand, the stick out between your fingers. You can stab a person in the throat, eyes, abdomen and soft places several times before it breaks or goes soft if a good paper handle. You can even make the end sharp quickly with a knife or carry it sharp, nobody will notice.

    • 1 year ago
      Anonymous

      >do you want to look cool
      yes.

    • 1 year ago
      Anonymous

      Bow is for beta.

      [...]
      Look, if you don't agree with the NFA definition of an sbr, then fine, 10mm is strictly a pistol round.
      However any 10mm carbine worth a frick will be in SBR configuration
      Never once did I claim superior energy, only that it was a based SBR round.

      What exactly is your use case for ~2000 ft/lbs of torque on a 7 inch barrel? Are you trying to defeat steel plates? Begause I can assure you 10mm will turn Kevlar to dust and it won't hit the neighbor's house if you miss a home intruder.
      Please explain to me how this round is *not* based in an SBR

      SBR's suck in general. A longer barrel is almost always better, especially in a shouldered rifle. A 16" 10mm is going deliver the same potency as a .44mag revolver and be drastically quieter, even unsuppressed while having less recoil and a more stable platform. What that extra 7 to 10" of barrel really too much for you?

      >fewer problems
      What problems does 300 blackout have that 350 "solves"?
      Also, what fricking mag are you running that's actually reliable when loaded with more than ten rounds?
      Also, why the frick would you ever consider that cartridge when 450 Bushmaster and 458 socom exist and do everything better than it?

      Not him but...
      .350 is legal to hunt with in more areas. That's the only reason it exists. Some people in power decided that a high speed and high ballistics coefficient equated to a round being dangerous to use in populated areas. .350lgd is extremely fast for a straight wall cartridge and fits in a standard AR lower/upper. The only problem it solves is that it's legal to hunt with in more areas.
      You really need to use .350lgnd specific magazines.

  13. 1 year ago
    Anonymous
    • 1 year ago
      Anonymous

      I don't know when this moronic image was created but it was never particularly easy to find 7.62x39 subs five years ago. It's drastically more difficult when you can find them now, and are more expensive if you still manage to. Nevermind the complexity of suppressing a comblock rifle.

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