this post was submitted on 08 Aug 2025
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[–] givesomefucks@lemmy.world 12 points 15 hours ago (3 children)

military calibers like 5.56 passed through it like hot butter

It did....

But 5.56 is dogshit at penetration. Like, a normal car does pretty well against it, but the cyber truck is just that bad against it.

It has less penetration than handgun calibers, and one of the reasons it's recommended for home defense is an interior wall that's basically just two sheets of drywall could stop it.

There's a reasons gangstas use AKs and not ARs...

[–] BussyCat@lemmy.world 2 points 7 hours ago (1 children)

Why would anyone use a 5.56 for home defense they seem significantly worse at clearing rooms than a handgun especially considering it is incredibly unlikely a home invader would ever have body armour on.

Also obviously this is not the best source in the world but it shows 5.56 going through 9 1/2 walls which is again atrocious for home defense

“Though the 5.56 bullets showed the most deformation, they were also terribly penetrative (19 panels, or nine walls) and, beyond the first two or three panels, created relatively large holes as they tumbled along their paths.”

https://www.usconcealedcarry.com/blog/wall-to-wall-testing-penetration-of-home-defense-ammo

[–] givesomefucks@lemmy.world 2 points 7 hours ago (1 children)

Why would anyone

People do, for the reasons I said, and others. I don't agree with it, but it's a thing.

shows 5.56 going through 9 1/2 walls

Because your source says:

each separated by 3.5 inches

That's not going thru 9 1/2 walls, that's tumbling like 2 feet after initial contact.

Like, that's not reflected well in your source, it's got magtech 10mm (kind of the "hot" production load) barely beating out basic bitch 9mm...

And 357 less than the 9mm?

There are very obvious flaws with whatever that guy was doing

[–] BussyCat@lemmy.world 1 points 4 hours ago

The only reason you listed was its lack of penetration but it seems that it does still over penetrate and the effect of the longer firearm is a major flaw for home defense.

so if you wanted an actual gun that didn’t over penetrate a handgun with frangible ammo is the much more logical weapon, is it not?

Compared to drywall the effect of air resistance is negligible so the spacing on the dry wall sheets is essentially irrelevant.

[–] Rolder@reddthat.com 12 points 15 hours ago

Then that tells me the cybertruck is even more dogshit at stopping bullets than I thought it was! 🤣

[–] Asmodeus_Krang 7 points 14 hours ago (1 children)

Not all 5.56 bullets are the same. I've got 75 grain bonded core that'll penetrate walls just fine and M855A1 if more penetration is needed. Shit, even run of the mill M193 will defeat level 4 plates out of a 20" barrel.

[–] givesomefucks@lemmy.world -3 points 14 hours ago (1 children)

I’ve got 75 grain bonded core

If you just increase the mass by 20% shove a solid dense core in then it does better!

/s

Shit, even run of the mill M193 will defeat level 4 plates out of a 20" barrel.

Wildy, just wildly untrue...

To be certied level 3, you need to stop a m193

Like by the very definition of level IV, it can stop m193

Who is telling you this stuff and why were you believing them?

This isn't secret or even hard to obtain information

[–] Asmodeus_Krang 1 points 14 hours ago

Lol. Okay 👌