Best caliber for IFV in your opinion? 25mm seem to perform well in Ukraine but what about the other three?

Best caliber for IFV in your opinion? 25mm seem to perform well in Ukraine but what about the other three?

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  1. 2 weeks ago
    Anonymous

    25 seems to be that sweet spot where you can shove a little bit more explosive in the round, you can carry a lot, and it'll both reach out far enough and still be able to shred a building or woodline.

  2. 2 weeks ago
    Anonymous

    Depends what you want it to do, 25mm APDS works well against other IFVs, APCs and some MBTs from the right angle but it lacks HE punch vs infantry.
    I want to see a 30mm case necked up to a 40mm shell for a small low velocity cartridge you can carry a lot of while fricking soft targets to death.
    You can have anything from an ATGM to intergrated suicide drones to deal with armour leaving the cannon as a pure infantry support tool.

    • 2 weeks ago
      Anonymous

      Something like this?

      • 2 weeks ago
        Anonymous

        Pretty much but 40mm.

      • 2 weeks ago
        Anonymous

        Sort of a 40mm supershot sized down to x113 length?

        If I was a cold war warpact general that might be a good IFV gun.

    • 2 weeks ago
      Anonymous

      If you want low velocity, why not go for a high-low-pressure round, basically a stretched 40x53 with more HE, but also more powder?

      • 2 weeks ago
        Anonymous

        High low pressure is moronic.

    • 2 weeks ago
      Anonymous

      In ukraine I don't think they even have the fancy APFSDS-T and they still get shit done. And the lesser ammo will still go through every soviet APC/IFV. But dammit, I just want to see footage of the Depleted Uranium APFSDS blast T-72 open through the side of the hull.

  3. 2 weeks ago
    Anonymous

    guys, what if a cannon that is made out of overlapped sections like pic related so that it can shrink and expand in caliber on the fly? and telescopic ammo. shrink a 40mm into a 30mm and the filler in the round gets pooped into the case. Shrink a 30mm to 20mm and any extra filler gets pooped out completely, with only a really fast armor-piercing round remaining.

    • 2 weeks ago
      Anonymous

      It leaks gas. You might just well use a sabot.

    • 2 weeks ago
      Anonymous

      I think you just have an butthole fetish, Anon.

    • 2 weeks ago
      Anonymous

      25mm is ok but its HE payload leaves a lot to be desired, and has worse armor penetrative capability than the larger calibers. However, you lose capacity drastically each step up the ladder, and the CV90 with the 40mm has a rather unimpressive capacity of 234 rounds. At that point, you might as well step up to 50mm or even just use a tank for maximum direct fire firepower per shot. That or use it as an AA gun as God intended.
      Ideally you would use 40mm chode loads like exist for 30mm or 40mm CT ammo but unfortunately Ajax is a shitshow and the only other vehicle that uses the gun/caliber is the Jaguar which is a recon vehicle.

      >t. pic related
      Go swim back to your watery grave motherfricker. You're supposed to be dead.

  4. 2 weeks ago
    Anonymous

    30x173

  5. 2 weeks ago
    Anonymous

    50x228mm (XM913 gun)
    Takes up the same space inside as 35mm but with a shitload more HE.

    • 2 weeks ago
      Anonymous

      I agree. With sabots there is no reason to neck down.

  6. 2 weeks ago
    Anonymous

    40mm projectiles with the 25mm size range case. With APFSDS for armored targets.
    - High ammo capacity
    - Big payload HE
    - Proximity fuzes
    - Similar armor penetration as Bradley with APFSDS

    Or just 30x113mm with APFSDS

  7. 2 weeks ago
    Anonymous

    a lot of newer IFVs are 30mm proof on the front (Puma also on the sides with add-on armor), so i would go for 40mm cased telescoped.
    It's also airburst (much better than more HE or more rounds) and the current low magazine problems can be engineered away.

    • 2 weeks ago
      Anonymous

      cant pretty much all 30mm and above guns use airburst ammunition?

      • 2 weeks ago
        Anonymous

        35 and above i think. 40mm is much more efficient in any case.
        EDIT: apparently also 30mm https://taskandpurpose.com/tech-tactics/army-xm1223-multi-mode-proximity-airburst-round/

  8. 2 weeks ago
    Anonymous

    Straight walled CTA is the future, but Bushmaster 25mm is the present and it sure does frick up T series tanks

    • 2 weeks ago
      Anonymous

      no it doesn't. that was a lucky shot or a design malfunction in the t-90. with 40mm CTA you could maybe pen its side (without ERA).

      • 2 weeks ago
        Anonymous

        BTR-4's 30mm is weaker than Bradley's 25mm and torched multiple T-72s.

        T-90 has the same side armor. Also side ERA is anti-HEAT only and does jack against AP.

      • 2 weeks ago
        Anonymous

        >that was a lucky shot
        A serious advantage of autocannons is you can get those lucky shots fairly consistently because you're rolling so many dice

      • 2 weeks ago
        Anonymous

        Cope. You see it alot regarding the Bradley. It’s just so good

      • 2 weeks ago
        Anonymous

        The 25mm DU rounds absolutely will go through the side of a T-72 or T-90 if you hit the right spot. And that's even if the tanks are built to spec and with the right metallurgy. The fancy DU stuff isn't being used in Ukraine right now though afaik.

  9. 2 weeks ago
    Anonymous

    40mm is the best

  10. 2 weeks ago
    Anonymous
    • 2 weeks ago
      Anonymous

      Fat.

  11. 2 weeks ago
    Anonymous

    I've heard 30mm is the minimum size for effective airburst and that seems like it'd be a pretty big advantage for a relatively small reduction in stowed rounds.
    Especially if you want your IFVs to pick up a C-UAV role.

  12. 2 weeks ago
    Anonymous

    anyone have that vid where a Bradley does a drive by on an entire town?

  13. 2 weeks ago
    Anonymous

    Long bullet is long

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