Handgun Caliber Selection Insight

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Reduced recoil and higher capacity mean the opportunity for more pipelines. It's about finding where the tradeoff is for you.

That said, the reason people aren't using a .50, IMO, is because the only platform I've seen with a controllable .50 is the .50 GI, and it's proprietary. The options you have are either a $3K 1911, or a $600 conversion kit for a Glock .45, which essentially doubles the price of the gun. And then there's the ammo...

For me, I use a .40, because it's a good balance between what the 9 and the .45 offers.
 
A very self-referential comment, as it has nothing to do with the topic, and instead analyzes other posters!

Thanks for proving my point. I can always count on you to behave in just the way I expect.

Carry on.
 
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It's about finding where the tradeoff is for you.
I agree, of course. And that's a good point you make about capacity: once a platform has been been selected, choosing a smaller round ups the capacity--a 1911-sized pistol might gain a round of capacity by being in .40 as opposed to .45; and 2 by being in 9. So add that to recoil and cost as considerations in caliber selection.
Thanks for proving my point.
In this post I'm commenting on the thread's subject; you're only commenting on me. So, whose point are you proving? :D
 
In this post I'm commenting on the thread's subject; you're only commenting on me. So, whose point are you proving? :D

It's OK if this is all over your head. No surprise.
 
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That's just a 1911. In the XDM, it makes a difference of 3 per caliber (so 6 for 9 vs. 45).

I wasn't just referring to the amount of ammo in a magazine, but also to how rate of fire (with less recoil, you can get more accurate shots off in the same amount of time, although it is subjective to the individual how much of a difference it will make) affects this. I am a gamer, and in most games we look at different builds as a potential "damage per second", that is over the course of a fight, if you average out per-second how much you do. I think the same applies to firearms. If the hole generated by a .45 has 60% more volume than a 9, but you shoot a 9 in the given platform 60% faster...you see my point.

Of course, I'm over-simplifying. If you would only use one shot at a time, the .45 takes over. If you are wanting to compensate for potential misses or spread out the holes to provide an increased chance of hitting something vital, then the 9 wins out. However, I think my method is as right as most other methods out there, and it's simple enough that I can use it with relative ease.
 
357SIG, I actually asked you a question. However, you keep bashing us for disagreeing with you without actually answering. What do you use for self defense? Do you still use the 357 SIG, or do you use something under .25 caliber? Because according to the OP, something like a Keltec PMR would be the ideal choice, in terms of recoil and capacity (and you can probable get adequate placement).
Your question was answered immediately, thanks. Glad to see you read the post. Go back and read it.
You actually just said a lot of "you people need to do your research" without saying anything beyond "the real world has extra conditions that the lab can't test." Well, that may be true, but that doesn't make the lab tests unjustified. I should also mention that the OP mentioned penetration, which is tested in the lab. So if you want to throw out all lab testing, throw that out, too. Just stick with placement (which you can't test in a real setting), recoil, and capacity.
Aside from misquoting me, making it look worse than what I said, I will respond. Lab tests are not invalid, but most of the internet gun owners and firearms instructors seem to fall back on them as some kind of proof of effectiveness. In fact, so many variables affect bullets in so many ways, the tests can never be used for that. Honestly, placement, recoil (for fast follow-ups), gun size, capacity, etc. should be the bigger considerations over larger caliber for most people. As is proven time after time, there is not enough difference in effectiveness between the common SD rounds to matter.

As to your question, fine:
I know that bigger holes take longer to heal. A wider hole increases the surface area to heal faster than a deeper hole, and if it's a through-and-through, you only have one way to increase that area. However, I'm not sure how relevant this is to defense discussion. After all, the goal is to stop the attack. How the person heals from it is after the fact, and irrelevant to stopping the attack.
Healing time is variable, and begins immediately. This whole idea of bleeding someone out is not a reliable source of instant incapacitation. The body does a remarkable job at reducing damage and healing itself. Once inflammation and clotting begins, the small blood vessels will seal off, reducing blood loss. They then begin to remodel the wound and eliminate the dead cells. Larger vessels will take longer to heal, and some will require intervention. Bottom line, the body has about 5L of blood circulating through endless networks of organs and vessels of all sizes, from head to toe. If you don't strike the aorta, IVC, some other major blood vessel or major blood reservoir, you will still be fighting for a while. The idea is to stop the threat ASAP, not later. Hitting non-vital tissue won't cut it, unless the BG decides to stop mentally. If you hit vital tissue, the bullet size is irrelevant. Through-through rounds do not have a problem hitting vital organs, which is why it is better to overpenetrate than underpenetrate. This is how it applies to the discussion. If your bullet stops short, you need to try again (barring a psychological stop). Rounds 9mm and above have no problems penetrating far enough in most situations. Rounds of lower power can do the job, but suffer more from underpenetration (at oblique angles or through bone), easy deflection, and inadequate external barrier penetration. This is why most see the 9mm as the minimum. Those rounds above 9mm that are common for defense penetrate similarly to it, not really adding anything in that respect.
I know that if you do not damage CNS, your goal is to reduce the blood/oxygen level in the brain enough to incapacitate the subject. That can be done by damaging the heart or the lungs, although even if the heart is destroyed the brain will still function for a few seconds. I've read accounts of people taking hits to the heart with a .22 and surviving (although it's possible they have with a 9 or .45 as well). Just simply hitting the heart won't necessarily do the job - the more damage you do to the organ, the more likely you are to cause failure. The more lung tissue you damage, the less oxygen can get into the blood.
Lung shots can take quite a while to affect someone. The common effect from a GSW to the chest is a hydropneumothorax, a condition in which the pleural space of the lungs fill with fluid and air, collapsing the lung. If the lung is pierced, the parenchyma can fill with blood as well, causing suffocation. This all takes time...many minutes. Not good when seconds count.

What you say about the .22 has happened with every major defense caliber at one time or another. Simply hitting the heart will often kill, but is no guarantee. The last statistic I saw put the mortality rate of a penetrating cardiac injury to be at around 80%, if I'm not mistaken. That means 20% still make it to the hospital and recover. Variables at work. The wounding effects of all the major SD rounds are nearly the same, so you will likely get the same physiological response from a 9mm, a .40, or a .45 placed in the same spot, heart or not.
Even if you miss the vitals, or if you don't damage them enough, a wider pipeline from the body will increase how fast blood can leave the body. Since the goal is a rapid drop in blood pressure, a wider pipeline (which also will damage more blood vessels, even if its just the small ones) will help.
Again, unreliable. This can take hours to days to incapacitate, barring a well-placed shot. Bullet wounds are not clean holes like a pipeline; they are stretched and torn tissue.
Yes, I understand that a 12" deep 9mm-wide hole is only 1.5 cubic inches, which is not a lot of the human body. However, I'm not talking about destroying the whole body, as I am shutting the body down. I know that going to a .45" hole increases the pipeline to 2.43 cubic inches, which is a significant increase in the amount of blood loss you can achieve.
You are assuming a uniform hole throughout the tissue, and excluding the body's response. Again, bullets tear as the pass through, not cut a clean hole. Blood loss is minimized by the body's response to injury. Your argument is one often used by physics/engineering students, which does not really apply to living tissue that does not hold a perfect cylindrical form. It is not a pipe.

I am NOT saying you can't bleed out from a bullet wound (many people die from blood loss alone), but it usually requires hitting something that uses or moves a moderate-to-high volume of blood, or leaving a less damaging wound untreated for a while. That translates to decent shot placement.

I am saying you will not bleed someone out in a timely manner without good placement, as time relates to a shootout (seconds count). There are ALWAYS exceptions to the rule, but an exception is not reliable. We need reliability when life is on the line...

The point is that you need to hit a vital to make a fast, reliable stop. With common SD rounds, the size and weight of the bullet are too close to make a difference. The wound tracks are almost indistinguishable. When comparing a .22 to a .44, there is a lot of difference, but when comparing a 9mm to a .45 ACP, there is not. Energy transfer/cavitation from pistol rounds is a nonissue. It simply cannot damage anything of importance, aside from brain tissue.

If a 9mm is a mountain, the added benefits of the .40, .357 mag and SIG, and .45 are like sprinkling some boulders on top. They do exist, and do add a little something extra, but in the bigger picture you never even know they're there.
 
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Just had another thought...

I would not at all be surprised if the argument continues like this simply because of hurt pride. Someone who has been regurgitating the ideas of diameter, bleed out, hydrostatic shock, etc. for years, coming off as knowledgeable, likely cannot stand the fact that they were wrong the whole time. They don't want to look wrong, or be proven wrong, so they will hang onto anything they can to keep the argument alive, no matter how insignificant. If they can raise a question in anyone's mind about even one simple factor of the whole, they can still claim to be right. Of course, only the uninformed will buy into it.

I once bought into all of this caliber effectiveness minutia, but have since stopped. I have gained a ton of experience and education in the field, am friends with some excellent trauma nurses, surgeons, PAs, etc., and have worked with some as well. I've also done the research, and read peer-reviewed literature on the subject of ballistic trauma. I can admit, I once could not have been more wrong on gunshot wounding. Being wrong is not a bad thing; it's what you do afterward that matters.

I'm new here. Now, you're being a troll, I just haven't been around long enough to know if you're just doing it accidentally or not. So I'm going to proceed like you're a good guy who had a bad day.

Anyway, I'd be interested in seeing these peer reviewed studies. Good ones are hard to find. Much of what I have been able to find has related to tests on animals, more ancedotish in nature, or gel based.


However, if "diameter, bleed out, hydrostatic shock, etc" are meaningless than why aren't you advocating for .22LR rounds or the new .22 magnum pistol? They have plenty of range for SD encounters, and sufficient penetration to reach vitals.

EDIT: You posted while I was writing so you've partially answered the .22 thing, though I'm still curious about your studies. Actually I'm still curious about your take on .22 magnum. It really does have plenty of penetration, especially in FMJ.


The surface area of the weapon touching your hand is much bigger and the weapon is moving much slower than the bullet. It is NOT comparable to felt impact of a bullet. It's like slamming your palm down on the face of a sledge hammer compared to slamming your palm down on an ice pick.

Well, knocking someone off balance is a tertiary effect.

However unless the bullet exits their body, the impulse they recieve is the same as what your hand recieves except for impulse due to propellant gases.

The question is how close do they have to already be to falling over for that to make a difference.
 
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Well, the best I can do for you right now is to give you something to google search, as I don't have a running tally of the things I've read. Try "mechanisms of injury gunshot wounds" and some slight variations. You will probably get quite a bit from reliable medical sources. I know AJR has some decent articles online. Some things I've seen are simply not in my possession and not my property.

As for trolling, I was simply making a statement of people in general, not singling out anyone in particular. Just making an unpopular statement does not make someone a troll. We all know the statement is true in nearly every aspect of life, not just guns and bullets. People don't like being wrong, and often can't admit it. Quite often, they get their pride hurt, and act like asses. Some folks can take it like a man and say they learned something.

I have a few cell phones that I shot with a .22 LR pistol at 8 feet...yes feet. In both cases, the bullet could not get through the flip screen. One is a thin Motorola Razr. Do I trust that to be able to make it to a vital organ through tough muscle or bone? No way.

I'm not new, and have been here for years. I do not troll. I do tell it as I see it. If that's bad, then so be it.

My only stake in the caliber argument is for the new people. In just what I've personally seen, people with NO shooting experience go out and get more gun than they can handle, simply because someone convinced them that anything smaller is too weak. I saw a guy get his GF a 10mm Glock 29 as a first gun, stating bullet effectiveness as the reason. Of course, she couldn't hit the broad side of a barn with it, and didn't like the painful recoil. He didn't seem to care, but he sure didn't want her having a puny 9mm or .380. It was all about him.

I've seen similar instances with others. Some quit shooting out of being discouraged, and some ended up regretting their purchase. Some couldn't afford the higher ammo cost and don't practice. I've had 3 friends buy .40s and .45s as first guns, and when they couldn't shoot them, I let them try my 9mms. They sold their guns and bought the same ones in 9mm.
 
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Thank you, 357, for actually providing a post worthy of discussion.

Healing time is variable, and begins immediately.

I can tell you for a fact, based on experience even with something as small as a hangnail, that bleeding doesn't stop immediately. By the time a gunshot wound clots, it is irrelevant to whether or not you stopped the attack.

What you bring up about bleeding out is true, however I still believe that the more tissue damage you cause, the better the cumulative effect (be it due to several small shots or one big shot). The body heals and adapts, but loss of tissue and/or blood will still negatively affect us. Not so much as a whole, but if you look at what is it, it will experience diminished capability. If that happens to be something vital, such as the lung, then all the better.

Bullet wounds are not clean holes like a pipeline; they are stretched and torn tissue.
I take this to mean that the holes vary in width due to the way the tissue snaps back after the TWC stops and the elasticity brings everything back. If so, this is another reason I think a wider bullet would be better on a per-shot basis. If you have 1 lane blocked on a 2-line highway, it slows traffic a lot more than blocking 1 lane on a 4-lane highway.

Like you said, if you hit the heart or the brain, it probably doesn't matter. But what is the likelihood that you will hit the heart? (Since we're likely not aiming for headshots, the brain is actually a less likely hit). However, if I'm not hitting the heart or brain, I want to cause as much trauma as I can to increase the likelihood of incapacitation. 9mm offers faster follow-ups, .45 offers more tissue damage and a chance at hitting something that the 9 missed on a per-shot basis.

However, you're right. When comparing the 9 to the .45, there's isn't a whole lot of difference. But the principles apply when comparing the .22 to the 9 to the hot-loaded .357.

So ask yourself this - if you live in Californyork and they pass a law that says you can only have a single shot in your weapon, would you choose 9mm or .45?

A few tidbits...
1. The .40 was an off-shoot of research done by the FBI, and most police departments use it, despite the fact that a 9mm would be more economical.
2. The 9mm was invented before the .45, but our army chose the .45. Most of our soldiers wish they would revert back to the .45. Although it is virtually irrelevant as most soldiers are just given a rifle nowadays.
3. NATO approved the 5.7 over the 4.6, in some part due to its effectiveness (and in other parts due to similarity to 5.56 and some technical issues with the 4.6).
4. Even if the penetration values are the same, there are other benefits to a bigger round. For example, if you look at Brassfetcher's bone test, more bullets were not recoverable on the 9 than on the .45, and there is more reports of negative things (such as jacket stripping) on the 9 rounds. It's why I game on a full tower case instead of a laptop - even though technology is catching up, bigger offers more consistency. (In the case of rifles, it's a bigger cartridge overall).

The point is that you need to hit a vital to make a fast, reliable stop. With common SD rounds, the size and weight of the bullet are too close to make a difference.

I'll agree that the size is somewhat close, although you are looking at a 60% surface area between .45 and 9, and a 57% increase in weight between the 230-grain and the 147-grain.
 
You posted as I did...

The Razr point is an interesting one - what if someone has a cell phone in their shirt pocket?

My only stake in the caliber argument is for the new people. In just what I've personally seen, people with NO shooting experience go out and get more gun than they can handle, simply because someone convinced them that anything smaller is too weak. I saw a guy get his GF a 10mm Glock 29 as a first gun, stating bullet effectiveness as the reason. Of course, she couldn't hit the broad side of a barn with it, and didn't like the painful recoil. He didn't seem to care, but he sure didn't want her having a puny 9mm or .380. It was all about him.

I think if you want an auto for bears, a 10mm is probably the only way to go. But I don't try to say for the most part that a caliber is too weak (unless of course you're talking .22 LR or something similar), but that a certain caliber is better.

Do I think the 9 is good? Yes.
Do I think the .45 is good? Yes.
Do I think they each offer advantages? Yes.
Do I think it's up to the individual, both in philosophy and physiology (i.e. my Mom can't shoot a .40 accurately)? Yes.
 
I was (referring) also to how rate of fire (with less recoil, you can get more accurate shots off in the same amount of time, although it is subjective to the individual. If the hole generated by a .45 has 60% more volume than a 9, but you shoot a 9 in the given platform 60% faster...

I see this a lot. The fact is, with proper technique and practice, you can shoot the .45 just as fast and accurate as the 9mm (presuming both hands are used)

But that does require that whole proper technique and practice thing.

Evenso, it's difficult to imagine even a mediocre shooter being 60% faster with a 9mm than with a .45
 
Depends on the shooter, but yeah I agree. I think particularly small shooters (I'm a small shooter) who don't do as much physical activity (I work IT and play video games, I don't work out much) will have better results with a smaller caliber.

However, if you are shooting the .45 almost as fast, and both weapons have over 10 rounds in them, I don't really see a downside to a .45 in that case, even if you believe it won't make that much of a difference.

But there is the fact that 5 bullets from a 9 are more likely to hit something important with one of them than 4 bullets from a .45, so it does make up for it.
 
A good read from over here in A'Stan...so at least the thread is killing some time for me:D

I don't discount a person's research, but will concede that not everybody will use the same criteria. There is a lot of scientifc evidence of different calibers on the human body, but I would also add that I highly doubt that there are any duplicate cases. You can only influence the target if you hit a vital and if you can put multiple rounds in vital areas. As someone mentioned, timing your shots is a critical factor and can be improved with practice. This is a test I want to practice when I get home. Using a Glock 19, Glock 23 and a 1911 Commander sized .45 (don't have a Glock 45 for consistent testing). All are relatively the same size for CCW, but give a specified time, how many rounds can you put in the vital zone?

Still, it's an interesting read and I think most would agree that putting rounds in the vital areas as fast as you accuractly can is really the only factor you can truly affect.

ROCK6
 
Good work in inaccurate logic. Start with premise most agree with, then draw general conclusions from a situation that requires specific discussion.

ALL calibers have limitations, both up and down, for loads. You can't make the kind of generalities you do, when each load needs to be evaluated on it's merits, not as a member of a subset in a caliber.

There are limitations for the calibers, but, they define the caliber, both strength and weakness. You need to identify what those are, then compare, based on what you desire to be the needs for your particular situation.
 
I think most would agree that putting rounds in the vital areas as fast as you accuractly can is really the only factor you can truly affect.
Rock6: I think I understand you, but do you mean that caliber has NO effect except for how it influences one's ability to shoot accurately and quickly (which we have already said is more training than caliber-selection for most shooters), so long as it can penetrate to vital areas? Penetration is not a big trick for most hardball.
There are limitations for the calibers
And we have tried to define those. We come up with (besides the OP):
Diameter (influenced by load: HP vs hardball)
Penetration (influenced by load: HP vs. hardball, velocity, weight)
[I had summated the above two by asking whether a police-level SD load exists for a given caliber]
Recoil--its effects on accuracy and rate of accurate fire (influenced by training)
Capacity (in a given platform)
Cost
It's OK if this is all over your head. No surprise.
Such a post is very revealing of the nature and purpose of the poster.
 
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The case capacity of most of the SD rounds are so close that getting a large difference is difficult. The main advantage to caliber is it gives the case more capacity, since most of the rounds are near the same length.

Given the similar length of the rounds, increasing the powder capacity by making them bigger around is an advantage for ballistics, but, a disadvantage for magazine capacity.

Therefore, the only real way to get out of the box is through a high quality, tight chambered gun, that works at high pressure, like 10MM, 40, 9mm or .460 Rowland. To take advantage of the large case requires a light for caliber bullet,
since most of the cartridges have decreased case capacity when heavy for caliber bullets are used.

The trade off is that once you get over about 30k, it seems like recoil increases geometrically, while bullet speed only additionally. In other words, recoil goes way up, with little benefit in ballistics.

Just have a gun when you need one, and never plan for it. Carry what you can, and enjoy it.

If you live in a CCW state, carry whatever you think will work for you.

I'm not Bob Munden, or Jerry M., or Mas Ayoob for that matter. What works for me, I'm comfortable with. YMMV.
 
And after all of this ; it's the .32 that will be with me while I go to Stop & Shop.
We are fortunate thay we have so many choices to argue over.
 
. I think particularly small shooters (I'm a small shooter) will have better results with a smaller caliber.

Possibly, but I'd be shocked if you still thought that after attending one of my classes.

But there is the fact that 5 bullets from a 9 are more likely to hit something important with one of them than 4 bullets from a .45...

I don't ascribe to the last part. To me, the advantage is simple capacity. It's harder to shoot back when you're out of ammo.
 
Just have a gun when you need one, and never plan for it.

If I knew when I needed a gun, I wouldn't go where I'd be needing it.

"Never plan" for what? Needing the gun or using it? If you're going to carry a deadly force instrument, you damn well better have some type of "plan" when it comes to using it.
 
The trade off is that once you get over about 30k, it seems like recoil increases geometrically, while bullet speed only additionally.

I'm still trying to figure out what this is supposed to mean. Are you looking at what provides the most total muzzle energy in a magazine? Because if the round isn't going 2000 FPS, it is the same caliber, and it penetrates through enough to through-and-through on a person, then getting more power behind it isn't going to make much difference.

The main point of this post seemed to be SD against two-legged predators. Yours seems more based on external ballistics.

I don't ascribe to the last part. To me, the advantage is simple capacity. It's harder to shoot back when you're out of ammo.

True, but if you were only going to shoot 4-5 shots, it doesn't matter whether you had 13 or 19 in the magazine. If you shoot 15 shots, then it does matter.
 
Energy transfer/cavitation from pistol rounds is a nonissue. It simply cannot damage anything of importance, aside from brain tissue.

If a 9mm is a mountain, the added benefits of the .40, .357 mag and SIG, and .45 are like sprinkling some boulders on top. They do exist, and do add a little something extra, but in the bigger picture you never even know they're there.
If this were true then there would be virtually no difference between the performance of the 125g .38 Special and the performance of the 125g .357 Magnum.
But I've seen folks shot with both rounds and I can tell you that there is definitely a big difference.
 
Some things I've seen are simply not in my possession and not my property.

you could still post the references even if you can't upload the file. Some of us might be able to get at them via libraries.

My only stake in the caliber argument is for the new people.

I suppose mine is in deciding what to go with now that I'm looking to buy a firearm instead of just having what was passed down.

Researching these matters has been interesting but frustrating. However from the perspecting of having an array of options, I'd like to make a superior choice, even if it's only an incremental improvement, hence the discussion.


I've seen similar instances with others. Some quit shooting out of being discouraged, and some ended up regretting their purchase. Some couldn't afford the higher ammo cost and don't practice. I've had 3 friends buy .40s and .45s as first guns, and when they couldn't shoot them, I let them try my 9mms. They sold their guns and bought the same ones in 9mm.

I think this bunch is actually pretty much in agreement that training and the ability to shoot your weapon accurrately and quickly are of utmost importance. I might be getting my forums crossed, but I think when people come on asking for advice there is a strong "try before you buy" message, because some people can't handle higher recoil or fat/long grips, and they mention cost differences a lot.

I have a few cell phones that I shot with a .22 LR pistol at 8 feet...yes feet. In both cases, the bullet could not get through the flip screen. One is a thin Motorola Razr. Do I trust that to be able to make it to a vital organ through tough muscle or bone? No way.

Interesting. I'd actually have expected them to do better.

However in relation to this thread I take it you just jumped in with your first post right?

One of the things linked earlier was on anecdotal evedence related to 9mm and .380 bullets fragmenting after hitting a bone (and then failing to penetrate deeply as a result) or deflecting so as to miss the vitals after striking bone. I also linked another thing regarding bullet deflection.

While other issues may be of secondary importance, the high probability of striking a bone in the chest, and the high probability of striking a limb if you're firing at center of mass means that this could have a significant impact on the primarily important job of the bullet to reach and damage a vital when fired at one.


If you're interested, liturature seems to indicate that pressure wave effects on the brain certainly exist for rifle rounds, that handgun rounds are also capable, but that in any case this is unreliable.

For example one study of ...hmmm I think it was water buffalo during a culling, found that sometimes the animals dropped right away and sometimes it took a while. Upon autopsy the ones that fell immediately showed damage in their brains despite being shot in the heart. The ones that didn't fall right away didn't show that damage. However they had all been shot in nearly the same place.

Seperate research, in part related to growing studies on how explosions harm soldiers, indicates that the effect requires a pressure wave to travel up the major blood vessels to the brain in order to cause damage, because generally the bodies structures aren't good at transmitting a pressure wave to the brain. It's a fluky thing then for a pressure wave to do that, even if the pressure wave generated by the bullet is of sufficient magnetude.

However, from the perspective of a gunfight, such an effect would be important because it offers the possibility of immediately ending the fight as opposed to ending it after the other person has emptied their gun. The only other thing similarly rapid when firing center of mass is a hit on the spine, and that's also fluky. And if you're firing center of mass and they're body is bladed towards you, than you aren't even aiming at their spine.

As for trolling, I was simply making a statement of people in general, not singling out anyone in particular. Just making an unpopular statement does not make someone a troll. We all know the statement is true in nearly every aspect of life, not just guns and bullets. People don't like being wrong, and often can't admit it. Quite often, they get their pride hurt, and act like asses. Some folks can take it like a man and say they learned something.

*sigh* all right. Let me walk you through this, please don't take this poorly. It seems like you really aren't meaning to troll as such.

What you did was a specific sort of ad hominim attack. Sometimes refered to as poisoning the well or as an argument from intimidation.

The basic structure is something like:

I'm right. Anybody who disagrees on this point is demonstrating that they are (fill in the blank depending on the discussion , deciving you, heartless, just arguing because their pride makes them, uninformed, an idiot, etc etc etc. )

This is an especially popular construct for trolls. The objective of trolling is to get a rise out of someone, ideally getting them banned instead of yourself.

Since a statement like that is insulting and an attack on anyone who doesn't agree with you, but is not attacking a specific poster, it skates under many forum's rules, wheras the flames it provokes can get the troll's victims in trouble, and leads them wide open for the troll to come at them by saying they're making ad hominim attacks and ignoring "the facts."

How things played out after you posted that is pretty much what one would expect. So if you were a troll, you'd have been a fairly successful one.

Outside of the internet, this construct is actually very popular from teenage cliques, to sales and marketing, to really any discussion in any circumstance, and can be executed using tone and body language. In person, many people will actually back down under the threat that the speaker will label them a (whatever) if they argue and will back down, pretend to agree, mumble something, buy your product, whatever. But they will not think of you fondly down the road.
 
Wapato, I do believe there was more discussion regarding the accuracy of the deflected bullet reports. Then again, Brassfetcher had similar results - 9mm tended to be Not Recoverable more than .45.

I think the caliber discussion, for rational people, comes down to "these rounds are effective, which round is most effective?" It is also useful when something new comes out to see how it compares.
 
Wapato:
You bring up some excellent points. I liked your target, and have been saying the same thing for years. The bullet can enter the arm, go it's 14" and be stuck in the guys elbow.

I've always thought the 18" penetration is a better level. Problem is, that means some sort of non-expanding bullet in most SD calibers, and, that's not popular.

David E. posted you can be as fast with a .45 as a 9MM. This is not born out by shooting games. To qualify for major, the favorite caliber is .38 Super, with a 100 grain bullet at 1500 fps, IIRC. It pretty much doesn't recoil, and comp shooters use it for a reason: it's the lowest recoiling round that qualifies as major. You can load 9MM pretty close to that, but it falls short, 90 grain bullet, 1400 fps. I don't see .45 ACP being anywhere close. The lightest bullet I have loads for in .45 ACP is 155 grains, and, 1100 fps with most powders.

Does shock come into play with handgun calibers? There does seem to be a
noticeable difference between 950 fps and 1350 fps, at least on large animals, with large calibers. With bigger revolver cases, you can get big bullets moving VERY fast, fast in this case being 1900 fps. .44 magnum will do that with a 185 grain bullet.
.454 Casull will move a 240 grain bullet at 2065 fps. THAT is approaching
the area where things start happening. I wonder what the guy who nearly blew his leg off with the FA 83 had in his .454?

After all is said and done, this is the least exact science of anything.
Every shooting is different, every reaction is unique. The only consistency is inconsistency.
 
Why is it that so few people carry a .50 for SD, and so many even carry calibers below .45?
Recoil, portability and ammo capacity are the advantages associated with smaller calibers. For myself, a .45 and a couple of spare mags are ideal.
 
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