what comes after 10mm?

11 mm perhaps? :p There are several rounds that are more powerful than the 10 mm, just go look at a ballistics chart.
Based on ft.lbs in Federal factory loads, .357, .41 rem mag, .44 mag, 45 GAP (probably the 'next' higher), and of course the large revolver rounds above that 454, 460, 480, and 500. I'm sure there are others too.
 
1. Buffalo Bore: 40 Heavy ACP +P 180 grain 1100/484 JHP #23B/20
2. Buffalo Bore: 45 ACP Super 185 grain 1300/694 JHP #45S230
3. Buffalo Bore: Heavy 10mm 180 gr. 1,350/728 JHP #21B/20
4. Buffalo Bore: Heavy 480 Ruger 370 gr. LBT 1,300/1,388 #13A-20
5. Buffalo Bore: Heavy .44 Magnum +P+ 340 gr. LFN. 1,478/1,649 #4D/20
6. Buffalo Bore: 460 Smith & Wesson 300 gr. JFN 2,060/2,826 #26A/20
 
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How about .44 automag?? I did a lot of loading and shooting .40 Supers, which are hotter than 10mm, but you won't find any factory firearms chambered in .40 Super. Factory load for 135gr ran @ 1800 fps and 971lbs/ft @ the muzzle.
 
The 10mm is the most powerful semiauto pistol that's been produced in any quantities, so far as I know. And even those aren't that common.

The market is dominated by 9mm Luger (9x19), .40S&W, and .45ACP.

Then you've got 10mm, .357 Sig, and .380ACP made in lower quantities.

Then .38 Super, .45GAP, and .32ACP in still lower quantities.

In terms of what I can think of, after that, it's pretty thin in terms of frequency, there've been dozens of attempts I guess, but those are a number of cartridges that haven't sold much in the US anyway, and so are questionable from an ammo availability perspective, if nothing else.
 
Based on ft.lbs in Federal factory loads, .357, .41 rem mag, .44 mag, 45 GAP (probably the 'next' higher), and of course the large revolver rounds above that 454, 460, 480, and 500. I'm sure there are others too.
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No. Very no. Federal does not the whole ammunition industry make. I'm still surprised how many people are so misinformed about 10mm.
 
There are more powerful rounds than 10mmAuto - 10mmMaximum comes to mind as well as .460Rowland, .44Automag, 45Winchester Magnum, and others.
But they are and will remain a boutique rounds precisely because of their power, wear and tear on the gun and need for special design and complicated guns.
 
Here's a 10mm case next to a 460.
IMG_1492.jpg

There's no comparison when it comes to power. When you light up a 460 everyone within 50 yds can feel it, and they can hear it about 3 counties away. A semi-auto chambered in 460 wouldn't be very practical, as it would be huge. The grip would be so big, that only a giant would be able to hold it.

The Desert Eagle is chambered in some very powerful rounds, 44 mag, 50AE, etc. But those are big, very heavy(5 lbs loaded), and expensive. There are some other powerful auto rounds out there, but they are pretty obscure, so finding a gun and ammo for them is tough.

The 10mm is a very powerful auto round. I know a couple of guys who have deer hunted with them and cleanly taken animals. If you really need more power than a 10mm, practically speaking, it's probably time to move to a revolver or a rifle.
 
If you really need more power than a 10mm, practically speaking, it's probably time to move to a revolver or a rifle.
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Pretty much. Unless you're after the novelty of using an excessively large handgun to fill your tag or something of that sort - which some people are, and good for you to do so - but if you're not one of those people, move onto the rifle. Just remember a rifle is superior in every way to a handgun as a weapon in every single way.
 
^ Yeah, I thought of that too, but that's one of those obsure ones. I know I've never seen a gun chambered in it, or ammo. There are a few guys on here that own one, but they are few and far between.

If so, yes that is more powerful than a 10mm. More like a 44 mag.
 
I know I've never seen a gun chambered in it, or ammo. There are a few guys on here that own one, but they are few and far between.
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The only "factory" automatic I know of that is chambered in 460 Rowland is a $3,000 Wilson combat.
 
The thing about .357 is it can be loaded way down or way up. When you talk about .357s it could be slightly hotter than a .38+p or it could be one loaded for bears. For the discssion I would say 10mm is the last line in semi auto,(unless its 50AE) after that its revolver country, and for the reasons stated above 41 mag has to next for sure.then 44 mag,then500 smith. Hot 45lc isnt there for the same reasons as .357, too much variation, which is also a good thing for what it is just not for the discussion. 50ae is too strange, too rare no one i know owns a desert eagle. thats what i think anyway.
 
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