Hey I was looking at these rounds that "are better" than 5.56 but never replaced it.

Hey I was looking at these rounds that "are better" than 5.56 but never replaced it. Which of these two cartridges do you prefer and why?

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  1. 3 weeks ago
    Anonymous

    6.5 Grendel is pretty cool for coyotes& antelope out West on the prairie where that higher BC helps to buck the wind

  2. 3 weeks ago
    Anonymous

    i prefer muh dik

    • 3 weeks ago
      6.8 SPC vs 6.5 Grendel

      >i prefer muh dik
      I'll find a .22 LR barrel for you to Chamber your dick in.

      6.5 Grendel is pretty cool for coyotes& antelope out West on the prairie where that higher BC helps to buck the wind

      >6.5 Grendel is pretty cool for coyotes& antelope
      In your state do they allow you to hunt with it or is it just for pest control?

      I do not feel strongly about either.

      >I do not feel strongly about either.
      I need more bullets! Bigger weapons! lol

      • 3 weeks ago
        Anonymous

        >In your state do they allow you to hunt with it or is it just for pest control?
        Hunting. Where is it just pest control? Doesn't sound right but idk

        • 3 weeks ago
          6.8 SPC vs 6.5 Grendel

          >Where is it just pest control?
          Some states only allow you to hunt with straight walled cartridges, tapered cartridges are fine but bottlenecked cartridges are forbidden.

          Yes, but that's because I have a sick fetish for the 95gr SMK and 90gr TGK, and the 6mm ARC provides the exact numbers I want from both in an 18in barrel.
          Also, yes, you will be hand loading it if you get into it.

          >Yes, but that's because I have a sick fetish for the 95gr SMK and 90gr TGK, and the 6mm ARC provides the exact numbers I want from both in an 18in barrel.
          Nice.

          Yes, but that's because I have a sick fetish for the 95gr SMK and 90gr TGK, and the 6mm ARC provides the exact numbers I want from both in an 18in barrel.
          Also, yes, you will be hand loading it if you get into it.

          >Also, yes, you will be hand loading it if you get into it.
          Its not a deal breaker for me but now I get why I don't hear about it.

          • 3 weeks ago
            Anonymous

            Oh gotcha. Yeah that's mainly an Eastern Midwest thing. Out here on the prairie shouldered cartridges are ubiquitous. Pretty much the only straightwalled hunting cartridges you'll find out here is 45-70& 444 marlin

      • 3 weeks ago
        Anonymous

        >In your state do they allow you to hunt with it or is it just for pest control?
        most us states allow any round over 2.5 in im pretty sure

        • 3 weeks ago
          Anonymous

          i meant 1/4 in

          • 3 weeks ago
            Anonymous

            Most will let you hunt with any centerfire rifle. I think it's like 39 or 38 that allow you to hunt deer with .223.

      • 3 weeks ago
        Anonymous

        >Bigger weapons
        >6.5mm
        can I interest you in .458 caliber?

        • 3 weeks ago
          6.8 SPC vs 6.5 Grendel

          >can I interest you in .458 caliber?
          When I was a kid I thought .458 socom was the coolest thing ever, "an AR in .45! the cowboys would be proud!", but then as I grew up I realized that it turns your double stack mag into a single stack mag and I was no longer amazed.

          • 3 weeks ago
            Anonymous

            >but then as I grew up I realized that it turns your double stack mag into a single stack mag and I was no longer amazed.
            That's not even the issue with .458 socom, it's the fact that it beats the complete shit out of your gun.

          • 3 weeks ago
            Anonymous

            Huge caliber thumpers are moronic. But I think 400 legend is kinda cool, since those can be double stacked in metal mags that can fit the AR magwell. Same capacity as 6.5 grendel/6ARC. And it’s like 2400 ft*lbs. kinda cool. Dunno what you’d use it for, maybe close range hunting? But it tickles my autism

          • 3 weeks ago
            Anonymous

            >I was no longer amazed
            yeah, but you have 5x as much lead in that single stack as the double.

            Should have been necked down to .224 with longer ogive space than 5.56. Basically a 5.56 FABRL with higher pressures, more case capacity, and shooting heavier bullets. Appropriate barrel length would be 18-20” or so. Like a round developed with minimal regard for barrel length.. Then develop dedicated SBR cartridges for anything shorter than that, but we have 300 blackout already.

            Otherwise everything is a compromise that just does the same thing as 5.56 but with slightly heavier bullet weight

            you are still just as moronic as the last 10 times youve expounded the same exact nonsense.

            [...]

            >What's the minimum velocity out of the barrel you guys (or gals) will put up with? Some people have told me that 2,200 FPS should be the bare minimum while others insist that 2,500 FPS is the least they'll accept
            totally irrelevant in the real world.

            Huge caliber thumpers are moronic. But I think 400 legend is kinda cool, since those can be double stacked in metal mags that can fit the AR magwell. Same capacity as 6.5 grendel/6ARC. And it’s like 2400 ft*lbs. kinda cool. Dunno what you’d use it for, maybe close range hunting? But it tickles my autism

            >Huge caliber thumpers are moronic.
            gods strongest recoilet.

            • 3 weeks ago
              Anonymous

              >totally irrelevant in the real world.
              The real world is where the numbers are real.

            • 3 weeks ago
              Anonymous

              > you are still just as moronic as the last 10 times youve expounded the same exact nonsense

              That’s the first time I’ve received criticism for putting that idea forward. You been working up the courage to tell me off over the course of the last 9 mentions? Glad you finally found it in you.

              I’ll retract that if you gimme your explanation as to why something like that is a dumb idea.

              Here’s my reasoning:

              High pressure is free energy density increase. 7.62 exists because it has more energy at longer ranges than 5.56 (scaled up 2x in volume, same overbore ratio, can be loaded with higher SD bullets). But you can cram near 7.62 performance into a 5.56 sized cartridge, with 5.56 tier cartridge weight, in 5.56 sized mags, in 5.56 sized guns, and then you only need one rifle and cartridge to do everything. Goodbye 2-caliber paradigm, or replace 7.62 with other niche use cartridge (I got ideas for that too, wanna hear em? Kek). And the point of the long bullet, aside from SD, is that form factor seemed to be criminally ignored In the developement of 5.56 (and some other 5.56 replacement candidates). That shit is free BC and should be capitalized on. I’ve ran this through an internal ballistics calculator, and the net result is an 1800-1900ft*lb cartridge that is in no meaningful way larger or heavier than 5.56.

              Such a round can also be loaded in quad stack mags of 60+ rd capacity without being too long or wide, chambered in a rifle capable of constant recoil full auto, and so also serve as a psuedo-LMG.

              It’s a good idea, admit it. Wasn’t mine, I’m just taking Frankford arsenal’s idea from decades ago and modernizing it, and realizing with modern tech and massaging of some dimensions, it can be more than just a lightweight m193 alternative

              • 3 weeks ago
                Anonymous

                >That’s the first time I’ve received criticism for putting that idea forward.
                NTA, I have argued against the .224 aspect. Everything being equal 6mm would still be more efficient.

              • 3 weeks ago
                Anonymous

                There’s nothing special about the 6mm caliber. 7mm would be even more efficient. 8mm more efficient still. There’s a compromise, I know. And the .224 as i describe would need a (slightly) longer barrel for the same % efficiency as the 6mm, but from equal length barrels the .224 will always have the superior external ballistics. That, and the weight penalty is far less. The 6mm needs heavier and longer bullets (that encroach on powder column) for the same SD and form factor. There are just a lot of sacrifices that are made when increasing caliber unless you’re just scaling the entire cartridge up isometrically. There’s Nothing wrong with the .224 bore. Mightaswell max it out.

            • 3 weeks ago
              Anonymous

              > gods strongest recoilet.

              As moronic as justifying heavy guns by telling guys to just lift more.

              Also:

              What is BC
              What is MPBR
              What is velocity
              What is mag capacity
              What is useful full auto

              Why the frick would anyone consider a 458 socom as a 5.56 replacement. Jeff cooper had good ideas but this one was batshit insane.

              • 3 weeks ago
                Anonymous

                >What is BC
                >What is MPBR
                >What is velocity
                >What is mag capacity
                >What is useful full auto
                none of this matters in an AR except for shitflinging for paper-punchers.
                >all I shoot is huge targets at 6-20 yards, duh I need high BC bullets and a 300m MPBR
                you have never and will never shoot at a target where you don't have the reasonable ability to adjust your aim for range.
                >oh ehm gee full auto
                ... is that really a big concern? it isn't to me.
                my concern is terminal effect and subsonic performance. both of which 458 has in spades.

              • 3 weeks ago
                Anonymous

                >you have never blah blah blah

                Discussions of 5.56 replacements are centered around military adoption. It’s not for me, we are debating the viability of cartridges in a military context. It doesn’t matter what I use guns for.

                >subsonic performance
                Why are you even in this thread? I laugh at the prospect of 458 as a 5.56 replacement, and you attack me because “durrr what about subsonic performance?” As if that if that is a factor that is considered AT ALL? Get real. There is enough room in the world for more than one set of cartridge requirements and use cases. I like subs too, but that’s a whole other thread.

                That said, smaller calibers are easier to suppress and modern monolithic expanding bullets render bullet length a key factor in terminal effect, as opposed to caliber. Look at 8.6 blackout 350gr expanding subs. Traces a ~1.5” diameter triple helix in gel.

                You seem to be blinded by muzzle energy, so much that you’d sacrifice everything in pursuit of it. Single stack in an AR? Gross.

              • 3 weeks ago
                Anonymous

                >centered around military adoption.
                why? neither of us are the military so why the frick would that matter at all to either of us?
                why not use calibers that make sense for us instead of copying what other people do for reasons that don't apply to us?
                >8.6 blackout
                you mean 338 whisper? we can all tell you are a ballisticslet that just regurgitates whatever marketing YouTube has served to you.
                what is your favorite .338 whisper gun youve shot?

              • 3 weeks ago
                Anonymous

                Like it or not, everyone will use what the military uses. The industrial inertia behind it virtually guarantees it. There is no real discussion about 5.5t alternatives for civilians cause the answer is just “use whatever you like, doesn’t matter” if the only weapon system it applies to is your rifle.

                Yeah I mean 338 whisper (#2). I like it. What’s your point?

                Im this close to asking you the breakfast question.

              • 3 weeks ago
                Anonymous

                >I like it.
                Oh cool, what gun do you have in it. You shoot it a lot?

              • 3 weeks ago
                Anonymous

                >you need to have a particular gun in order to like it or even have an opinion on it

              • 3 weeks ago
                Anonymous

                it's the ultimate caliber shill litmus rest. if you thought it was good, you'd have one.
                I have a .458 Socom because I think it's good and cool. Having it is the lowest bar of knowledge for a caliber.

              • 3 weeks ago
                Anonymous

                Ah. I get it.. My reason for not owning one is I’m poor

              • 3 weeks ago
                Anonymous

                if you can afford guns you can afford to shoot practically anything. just maybe not a shitload of it or you'll be forced to reload it to stretch the value.

              • 3 weeks ago
                Anonymous

                I’m genuinely poor. Haven’t bought anything new in years. I scratch the gun itch by reading and brainstorming

              • 3 weeks ago
                Anonymous

                you shouldn't pretend to have valuable opinions on guns then.

              • 3 weeks ago
                Anonymous

                That’s a moronic conclusion to draw.

              • 3 weeks ago
                Anonymous

                less moronic than valuing the opinion of someone who has never even touched a round of the ammunition they are shilling.
                people should respect themselves more than that.

              • 3 weeks ago
                Anonymous

                So you don’t know what shill means.

                I listed out that Muh big bore doesn’t mean much anymore as terminal affect has largely been decoupled from caliber, and used 8.6 blackout as an example.

                You’ll grow out of worshipping muzzle energy

              • 3 weeks ago
                6.8 SPC vs 6.5 Grendel

                >"BC, MPBR, velocity, mag capacity does not matter in an AR."
                If none of these mattered then we wouldn't have adopted the AR to begin with. Hell, we might not have adopted the M14, our military would still be using the M1 Garand

        • 3 weeks ago
          Anonymous

          *Blocks your path*

  3. 3 weeks ago
    Anonymous

    I do not feel strongly about either.

  4. 3 weeks ago
    Anonymous

    they were utterly cursed. 6.8 SPC by bad chamber design corrected by a community that was too little and too late, and 6.5 Grendel bound to the absolute morons at Alexander Arms. Not since the WSSM has such there been such a miscarriage of proprietary parting.

    they did make for good parent cartridges of later designs (6mm ARC, .224 Valkyrie, 400 Legend, etc) though

    • 3 weeks ago
      6.8 SPC vs 6.5 Grendel

      >6mm ARC, .224 Valkyrie, 400 Legend, etc
      I've never heard of 6mm ARC, is that what you prefer?

      • 3 weeks ago
        Anonymous

        Yes, but that's because I have a sick fetish for the 95gr SMK and 90gr TGK, and the 6mm ARC provides the exact numbers I want from both in an 18in barrel.
        Also, yes, you will be hand loading it if you get into it.

      • 3 weeks ago
        Anonymous

        >I've never heard of 6mm ARC, is that what you prefer?
        nta but yeah, it's a pretty neat round.
        - 6arc outperforms 5.56 (all weights) in most categories at around 70 grains. So for a 5.56 replacement you could use even lighter weight ammunition, closer to 50% lighter than 6.5 Creed. And if you want 1000 yard ammunition, swap to 108 grain
        -6arc mags should fit in standard STANAG mag pouches
        -6arc in gas gun pressures is less hard on the barrel than 6.5 Creed, so the barrel life is longer.
        -Ballistics quite decent even with short barrels, 12" barrel should be able to hit 2350fps with 108gr ELD and then stay supersonic out to 900yd.

        Although it'd need custom mags to really shine, cases are bigger than 5.56 so you lose capacity, a quad stack with polycase would be wildly awesome. I agree with anons who think military made a mistake going to 6.8 for service rifles, 6arc (or 6max) would be better replacements, solid upgrades in the same role. 6.8 or something bigger even should have been for DMR smart guns.

        That said this is all fantasy stuff, without mass manufacturing and adoption theoreticals do not matter.

        • 3 weeks ago
          Anonymous

          2350 should be very doable with a 108 in a 12". 100gr Wolf Grendel chrono'd at 2200 out of my 10.5 in 35 degrees.

      • 3 weeks ago
        Anonymous

        Neither, they're both bad replacements for 5.56.

        >I've never heard of 6mm ARC, is that what you prefer?
        nta but yeah, it's a pretty neat round.
        - 6arc outperforms 5.56 (all weights) in most categories at around 70 grains. So for a 5.56 replacement you could use even lighter weight ammunition, closer to 50% lighter than 6.5 Creed. And if you want 1000 yard ammunition, swap to 108 grain
        -6arc mags should fit in standard STANAG mag pouches
        -6arc in gas gun pressures is less hard on the barrel than 6.5 Creed, so the barrel life is longer.
        -Ballistics quite decent even with short barrels, 12" barrel should be able to hit 2350fps with 108gr ELD and then stay supersonic out to 900yd.

        Although it'd need custom mags to really shine, cases are bigger than 5.56 so you lose capacity, a quad stack with polycase would be wildly awesome. I agree with anons who think military made a mistake going to 6.8 for service rifles, 6arc (or 6max) would be better replacements, solid upgrades in the same role. 6.8 or something bigger even should have been for DMR smart guns.

        That said this is all fantasy stuff, without mass manufacturing and adoption theoreticals do not matter.

        6ARC got the caliber and performance correct, 6MAX took the same performance envelope and made it actually fit in an AR without any compromises.

        • 3 weeks ago
          Anonymous

          Should have been necked down to .224 with longer ogive space than 5.56. Basically a 5.56 FABRL with higher pressures, more case capacity, and shooting heavier bullets. Appropriate barrel length would be 18-20” or so. Like a round developed with minimal regard for barrel length.. Then develop dedicated SBR cartridges for anything shorter than that, but we have 300 blackout already.

          Otherwise everything is a compromise that just does the same thing as 5.56 but with slightly heavier bullet weight

  5. 3 weeks ago
    Anonymous

    I own a 6.8 SPC AR only because of the LWRC pseudo-standard receiver and pmags. Dumb cartridge, but if necked down to literally anything else, and with a shortened case, is capable of satisfying the 6mm optimum criteria and mogging everything else. Even in 6.5 with a longer ogive, it becomes a better 6.5 grendel.

    6.5 Grendel’s case head is too large for AR15s. Whole thing is too heavy and mag capacity suffers.

    Anything that replaces 5.56 will have to be better enough to warrant the weight penalty, which ideally should be kept to a minimum (or be even lighter)

    I propose 350 legend necked to .224, OAL extended to 2.5”, loaded to 80kpsi, and shooting heavy and fine bullets. A replacement for 5.56 that also replaces 7.62x51.

    • 3 weeks ago
      Anonymous

      at 52kpsi the grendel/arc cases are way down from 5.56 at 62k, but they're still chucking heavy for caliber, high bc pills downrange with exceptional energy. they work fine in an AR15, 24rd ASC mags also work without issue.

      • 3 weeks ago
        Anonymous

        Pressure x max internal case area = bolt thrust. And since the rim is wider, there is less meat on the bolt that already needs to withstand higher thrust.

        All of this is a moot point tbh since the POF revolution uses AR15-sized aermet bolts that can handle 308 bolt thrust just fine. But it’s better to use narrower cases cause of mag capacity, ability to quad stack without being unwieldy, smaller gun internals, and ability to be loaded to higher pressures without needing to beef everything up. Also lighter case weight.

        6.5 grendel has lol-tier velocities with the heavy bullets you’re talking about. Anything can be loaded with heavy bullets, but can it fire them fast enough? 6.5 is billed as a long range cartridge, and ok there is enough ogive space for the heavy, long, high BC bullets, but it’s propellant charge is insufficient for high velocities. Limits fragmentation range (if used as a standard service cartridge) and MPBR.

        • 3 weeks ago
          Anonymous

          given the grendel was intended as a medium game round and never shopped to the military, the emphasis has certainly been on the 120-123 class of bullets. but you're missing the 90-107 ranges, which are in the 2800fps range from a 20", which is still competitive with mk262 and still offers better extended range performance. if you want to hot rod the case beyond the saami max of 52k, you'll certainly run into issues with bolt thrust. regardless, the grendel isn't ever getting adopted by the US military. ARC makes a better case for that, hornady went for the contracts out of the gate. i don't see it being hampered by the pressure, the velocities are already there.

  6. 3 weeks ago
    Anonymous

    6ARC

  7. 3 weeks ago
    Anonymous

    [...]

    depends on what and how far you're shooting.

    • 3 weeks ago
      Anonymous

      [...]
      Depends on what youre shooting and at what ranges. For something to be considered a viable 5.56 replacement, I wanna say no slower than like 2800fps. MPBR is not something I’d want to degrade.

      But also depends on BC and bullet construction. If low BC, high starting velocity is preferable to maximize fragmentation range. If high BC, you can start with lower velocity since it’ll hold on to it longer, and beat out the low BC/higher velocity cartridges beyond even just a few hundred yards.

      A balance between BC and velocity prob ought to be struck. A better question is what type of performance are you ok with at x range for y scenario.

      >depends
      Wrong. We're talking about a replacement for 5.56, therefore it needs a high muzzle velocity so that Beau moron 11B can point the gun at the prone target within 400yds and hit it.

      This is what PRSgays always forget when the discussion of the "next standard AR cartridge" comes up, no-one is looking at a dope chart in a firefight.

      • 3 weeks ago
        Anonymous

        Did you bother to read beyond the first word? I explicitly state a replacement for 5.56 can not have a shorter MPBR than it, and thus can not have (much) lower velocity. I know that MPBR is basically max range in a gunfight and you can’t expect anyone to apply marksmanship when under stress.

        If anything we should be increasing velocity (and improving bullet form factor commensurately)

        • 3 weeks ago
          Anonymous

          >Did you bother to read beyond the first word?
          I didn't lmao.

          >Wrong. We're talking about a replacement for 5.56, therefore it needs a high muzzle velocity so that Beau moron 11B can point the gun at the prone target within 400yds and hit it.
          Hey this is OP (if you can believe it), you are calling the other guy () wrong but when he talks about maximum point blank range (MPBR) he's basically talking about the same thing you are talking about. He gave an answer (2800fps) and explained his reasoning behind it.

          Yeah I agree with it.

          FWIW the 6Max does 2850 with 90gr scenars from a 22" barrel.

          • 3 weeks ago
            Anonymous

            > I didn't lmao.

            Kek. Guys will often go no further than the first sentence, but this is a new class of lazy.

            It’s kewl. We agree that MPBR is king

  8. 3 weeks ago
    Anonymous

    [...]

    Depends on what youre shooting and at what ranges. For something to be considered a viable 5.56 replacement, I wanna say no slower than like 2800fps. MPBR is not something I’d want to degrade.

    But also depends on BC and bullet construction. If low BC, high starting velocity is preferable to maximize fragmentation range. If high BC, you can start with lower velocity since it’ll hold on to it longer, and beat out the low BC/higher velocity cartridges beyond even just a few hundred yards.

    A balance between BC and velocity prob ought to be struck. A better question is what type of performance are you ok with at x range for y scenario.

    • 3 weeks ago
      6.8 SPC vs 6.5 Grendel

      >Wrong. We're talking about a replacement for 5.56, therefore it needs a high muzzle velocity so that Beau moron 11B can point the gun at the prone target within 400yds and hit it.
      Hey this is OP (if you can believe it), you are calling the other guy () wrong but when he talks about maximum point blank range (MPBR) he's basically talking about the same thing you are talking about. He gave an answer (2800fps) and explained his reasoning behind it.

      • 3 weeks ago
        Anonymous

        Thanks bro.

        Maybe I shouldn’t use acronyms, can’t be sure that everyone knows every acronym.

        But yeah, MPBR = practical max range

  9. 3 weeks ago
    Anonymous

    6.8 SPC is dogshit. 6.5 Grendel is great.

    • 3 weeks ago
      Anonymous

      > 6.8 SPC is dogshit

      I feel stupid for ever getting one. I just hope some other useful 6.8 based wildcat comes out and gets SAAMI certification so I can rechamber the rifle, but still use the receiver and mags.

      Either something smaller caliber, or like a .308-.338.. anything other than this weird middle ground caliber that doesn’t know what it is or what it wants to be. Gimme a long range cartridge or a really gangster SBR cartridge

      • 3 weeks ago
        6.8 SPC vs 6.5 Grendel

        Call of Duty Modern Warfare 2 (2009) really tricked a ton of people into thinking that 6.8 SPC was good. I remember many teens with interest in guns wondering why it wasn't adopted.

        • 3 weeks ago
          Anonymous

          MW3. It wasnt in MW2.

          • 3 weeks ago
            6.8 SPC vs 6.5 Grendel

            >MW3. It wasnt in MW2.
            You're forgetting about the bushmaster ACR that was in MW2. The whole reason that Bushmaster and Remington bribed the devs to make that gun OP was so they could push their prototype weapon and prototype caliber to the market.

            • 3 weeks ago
              Anonymous

              The ACR was, it wasn't identified as 6.8 until MW3 and was the softest recoiling assault rifle with the same 30-20 damage profile as nearly every other 5.56.
              >Bushmaster and Remington
              Had no influence over MW2. They are named in MW3s credits, but in MW2 it was there because it was a cool new gun that was featured in the "future weapons with mack" discovery show that influenced a lot of the weapon choices in MW2.

  10. 3 weeks ago
    Anonymous

    Isn't 6.5 Grendel supposed to be really efficient out of short barrels?

    • 3 weeks ago
      Anonymous

      No. It's the opposite. It sucks out of short barrels. It's already somewhat low velocity for a bottle-necked rifle round. Shorter barrel essentially neuters it.

    • 3 weeks ago
      6.8 SPC vs 6.5 Grendel

      I've heard .300 BLK is great out of short barrels but I've never heard of 6.5 Grendel being good out of short barrels.

  11. 3 weeks ago
    Anonymous

    >Which of these two cartridges do you prefer and why?
    Neither because neither of them really take what makes the 5.56 great and improve upon it. If I had to consider something other than 5.56x45 it would be 5.45x39. The cartridge is lighter and the projectile a better BC. It does carry less energy than the 5.56x45 but from what I've seen they're both plenty lethal at the distances they engage targets in. I say take 5.45x39, give it a plastic case, bump up the chamber pressures and you'll have a kingly intermediate cartridge for an assault rifle.

  12. 3 weeks ago
    Anonymous

    min-maxing will always be a farce

    • 3 weeks ago
      Anonymous

      the real farce is fudds and their irrational hatred of logistics

  13. 3 weeks ago
    Anonymous

    Grendel AK > Grendel AR

    Someone prove me wrong

    • 3 weeks ago
      Anonymous

      6.5 grendel and 6arc are the "I want a DMR but I don't want to use a full power cartridge because reasons" So i'd say AR would be better for this since you can get better precision out of it.

      • 3 weeks ago
        Anonymous

        Most people aren't nearly the shooters they think they are, but having a lower recoil round absolutely helps people make longer range shots. A DMR also benefits from lower recoil for follow up shots and self spotting impacts. No one outside the military is a DMR, but if you want to larp as one or shoot a DMR match, there's nothing wrong with the Grendel cases.

    • 3 weeks ago
      Anonymous

      6.5 grendel and 6arc are the "I want a DMR but I don't want to use a full power cartridge because reasons" So i'd say AR would be better for this since you can get better precision out of it.

      The grendel Veprs can take the CIP rating of 58k because of the bolt, so you can load to those specs. There's no factory options for 58k loadings in the US at the moment. From there on out it's all the usual comparison points between AK and AR.

  14. 3 weeks ago
    Anonymous

    6.5x55

    • 3 weeks ago
      6.8 SPC vs 6.5 Grendel

      6.5 Swede (despite being great) is a full powered cartridge, most of the rounds mentioned in the thread are intermediate cartridges.

  15. 3 weeks ago
    Anonymous

    Personal use vs service cartridge is a huge distinction. A better performing caliber may be less durable. All those long bullets with high bc that perform better in a competition or civilian shooting are not going to hold up as well with rough handling and treatment in the military. The bullet sticking much further out the case means more leverage is applied to unseating the bullet when things are tossed around, stepped on, or treated rough. Long bullets also dont reliably chamber as well in full auto and the giant brass spike sticking out easily catches on chamber imperfections, feed ramps, locking lugs, etc
    Sometimes less performance but more durability is better. Most improved rounds just have longer bullets.

  16. 3 weeks ago
    Anonymous

    I have no interest in either of those. If I wanted more range in a small frame AR I'd do the 6 arc, however, I am annoyed that they didn't have the foresight to have magazines made for it by a major vendor.

    The reference spec for a round in an AR needs to include the magazine before the round is released. They should have gone to both lancer and magpull and asked them to make 1000 mags for it before releasing the round to the public. Then they should have sent a working upper, ammo, and some mags to gun tubers for review.

    • 3 weeks ago
      6.8 SPC vs 6.5 Grendel

      >If I wanted more range in a small frame AR I'd do the 6 arc
      I had no idea it existed until a bunch of people on the thread let me know how based it is.

      • 3 weeks ago
        Anonymous

        It's a 750m cartridge

        • 3 weeks ago
          6.8 SPC vs 6.5 Grendel

          Every rifle cartridge is a 1,000 yard cartridge is you arc it like you would a bow. Maybe thats why its called 6mm ARC.

  17. 3 weeks ago
    Anonymous

    >Which of these two cartridges do you prefer and why?
    6.8spc
    Purely for aesthetic reasons. It looks like a normal boolit, and a damn sexy one, too if i do say.
    The grendel, appropriately named, looks like some goblinoid gremlin shit/ I'm not letting it into my house.

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