The 40 is not that weak. I'll stick with the 40. I don't need and have never felt the need for a 10mm. But have a couple friends who swear by them.
Lack of interest in 40 SW yet 10MM is getting popular??
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you poor thang , you just can't get over the fact that the 9mm only better than 380 acp .
Bears...the answer is bears.
I like bears. Lived among them for 19 years. Had a face off with aa 500 pounder one night each of us on one side of galv. 33 gallon can of dog food. He kept taking the lid off and eating the food. I told him to get back and leave so he backed off about 2 feet. I put the lid back on the can and of course he got right back in it. Soooo I got a 357 (Ruger if it matters) and put a shot right beside his left ear. He went back in the woods about 30 yards or so. I got back in the sack, a few minutes later I hear bong, the lid was back off. So I talked him out of the can again and put another shot by his ear. Bears really don't like real loud noises, like a 357 at 6 feet. we went throught this drill about 3 times and he went off in the woods out of sight. Ten minutes later I hear him comming back from another direction so I again put a shot by his ear, he crashed off away and he didn't come back after that.
Cartwright Jones
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There doesn't need to be a +P .40S&W, it's already there, such as 165gr. FMJ-TC at 1,150fps making 484fpe - 9mm can't touch that. The 2015 politically motivated FBI decision to dump the .40 after a positive 28 year run was pure, near-post Obama DEI inspired. Even if the 9mm were any better, that only means the .40 is better still, and there was simply no practical, certainly no ballistic reason to squander billions of tax-payer dollars to drop the superior caliber for the lesser caliber. Of course we could not have known back then what we know today about what was going on behind the scenes in Washington.
The 10mm does NOT have a safety margin to run up the loads - I'm sure many have thought so and been disappointed the hard way! The .40 case is actually stronger than the 10mm case because of the small primer pocket, thus more meat in the base. The 10mm case is prone to significant bulging in barrels with inadequate chamber support, and this is an impediment to pushing the loading envelope unless you have a fully supported chamber. I have a LWD 5.2" 10mm barrel with a relatively tight chamber but still more exposed case over the feed ramp, and with hot Underwood loads on a hot day, cases kick out with quite a bulge and defined "smile". Eventually went back to using the OEM barrel with it's "looser" chamber - about the same lack of case head support under the reasoning that the loose chamber allowed the entire case to expand without focusing pressure on the spot over the feed ramp and it's true, cases from the Glock barrel never show the kind of bulge seen on aftermarket barrels with their "superior" tighter chamber! Barrel makers never show their chamber-ramp cut in photos, so buying one is always a crap-shoot - a major thing that soured me on the 10mm some years back. The way to make big power in the 10mm is by going to a longer barrel. A 6" barrel can often achieve 100fpe more than the stock 4.8" Glock barrel without more chamber pressure. Underwood makes such a variety of 10mm ammo for reasonable prices, that for those in States where they can mail-order ammo, just buy Underwood and call it a day.
As far as target reactions, the 10mm pales in comparison to the .460 Rowland capable of sending 230gr. slugs downrange at 1,400fps/1001fpe, and 255gr. at 1,325fps/994fpe. My Clark Custom .460 Rowland barrel has 100% chamber support - well, maybe 97%, but ample none-the-less. Due to being compensated, and now fitted with the V2 damper system, it kicks about like a .45 ACP, and uses a 9 pound recoil spring. I've run 185gr. "ball" loads over 1,600fps/1,051fpe. At that speed, don't even need an expanding bullet, the supersonic shockwave at legal bear defense distances is explosive!
Some people laugh, but the carbines run flawlessly and quite accurate.
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The 40 is a great round and very accurate. For me, the problem was that they stuffed the 40 into small frame , 9mm pistols and I generally find them very unpleasant to shoot. The 10mm is built on a proper size frame / gun and the guns balance and handle much better. I always thought a single stack 40 with a size appropriate frame / slide would be the ticket.
Glenn R. McMannly
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The .40 Automatic is only slightly superior to the 9mm Luger in terms of knock down power.
The 10mm is a faster, hotter .40. It can do well.
But neither are as superior for raw stopping power against man sized targets as the venerable Colt's .45 Automatic Pistol. The increased bullet mass and weight give a superb Taylor K.O. factor and it doesn't need to be pushed to wreckless pressures and velocities to be highly effective.
The 10mm is a faster, hotter .40. It can do well.
But neither are as superior for raw stopping power against man sized targets as the venerable Colt's .45 Automatic Pistol. The increased bullet mass and weight give a superb Taylor K.O. factor and it doesn't need to be pushed to wreckless pressures and velocities to be highly effective.
Autonomous
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Modern, scientific method terminal ballistics show there is surprisingly little difference in stopping power between the popular handgun rounds on human like creatures. Though on larger, tougher animals heavier, non-expanding bullets' enhanced penetration can be advantageous.
You have to get into high velocity rifles or brute force like shotgun rounds* to get a reliable increase in stopping power.
*Not so much for small shot.
You have to get into high velocity rifles or brute force like shotgun rounds* to get a reliable increase in stopping power.
*Not so much for small shot.
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b737lvr
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Unfortunately the civilian gun communities have been refusing to accept this as a reality because they are afraid that by admitting it then their choice of caliber is invalidated. John C Boomer bought all of his pistols in 40SW back in the 90s and 2000s and he's spending $25/box for ammo at his local fuddshop. If he admits that the mainstream calibers are all virtually equal then he's admitting he's been wrong and we know that Americans don't know the concept of admitting wrong.
Ah, good ole caliber wars. I find these rather DUMB. Some of the toughest people this country ever produced carried handguns weaker than a .380, yet you can't be a man if you don't carry something that starts with a 4, all coming from a generation that wore feathers and bell bottoms in their youth. 
b737lvr
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I realized a long while ago that guns are basically pacifiers for most gun nuts. Let em have their caliber arguments, let em have their liberty safe full of 1911s, Sigs, AR15s, and mags. They will never use them. They buy them for the same reason suburban women buy an ecoboost bronco. It satisfies their imagination while the manufacturer gets rich. Policeman carried .32SW Long and .38 Special revolvers for decades.Ah, good ole caliber wars. I find these rather DUMB. Some of the toughest people this country ever produced carried handguns weaker than a .380, yet you can't be a man if you don't carry something that starts with a 4, all coming from a generation that wore feathers and bell bottoms in their youth.
I know this is really dark to mention but a great case study for reference is that Texas church shooting a few years back. Man walks in with a 12 gauge shotgun and starts blasting. He was taken out with one well placed bullet. It could have been quite literally any firearm in any caliber that took him out. Look at the Tops shooting in New York. The armed guard was using a high capacity semi auto and didn't hit the perp one time and got himself killed because he was out maneuvered. It's not so much the tool that matters it's being able to professionally use the tool that makes the difference.
DonD
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Some would say that's an argument that began when the .357 was invented. Seems like it continues today?
However.
I offer two examples of why a larger, harder hitting caliber is a good thing.
View attachment 789836
View attachment 789837
DonD
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Absolutely disgusting spectacle of a human being. Good luck lardass, if you ever need emergency care even 2 EMS techs won't be able to put you into the vehicle. Barf. DonSome would say that's an argument that began when the .357 was invented. Seems like it continues today?
However.
I offer two examples of why a larger, harder hitting caliber is a good thing.
View attachment 789836
View attachment 789837
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Except Infinity and Staccato!
Aside from the latent racism and DonD's smugness, the only thing you'd really need to do here is move even slightly uphill or to his side. No need to shoot.
Autonomous
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Oh, look! Virtue signaling!
Those are the people who don't want to purchase two plane seats.................. Disgusting!!!!
I see we found the race baiter................
Here, maybe this will make you feel better?
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