Self Defense - 9mm or larger? - Page 15 - MP-Pistol Forum

Self Defense - 9mm or larger?

This is a discussion on Self Defense - 9mm or larger? within the Polls forums, part of the Smith & Wesson MP Forum category; "9mm kills your body, .45 kills your soul."...


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View Poll Results: For Self Defense...
no, I chose 9mm because of a reason other than the price of ammo or concealability. (please reply to this thread to explain) 252 63.32%
yes, but I can't afford anything except the 9mm rounds 25 6.28%
yes, but I can't (comfortably) conceal anything bigger. 34 8.54%
other (please reply to this thread to explain) 87 21.86%
Voters: 398. You may not vote on this poll

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Old April 9th, 2015, 12:48 PM   #211
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"9mm kills your body, .45 kills your soul."
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Old May 9th, 2015, 10:18 AM   #212
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All my Ex-es Live in Texas, all my pistols are 9mm.
(I do though, have a couple .357 wheelies, too.)
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Old May 9th, 2015, 12:50 PM   #213
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Quote:
Originally Posted by S&W M&P Fan View Post
Being in the Military Police Corp. I have seen the 9mm fail more than succeed, also how can you argue with the fact that the biggest majority of LEAs carry the 40 or 357 and not many carry the 9mm anymore. JMO ok let the flogging begin.
The military is badly handicapped by having to use fmj non-expanding bullets and, in that particular case, a bigger diameter bullet is obviously better. The rest of us can use hollow point, expanding or other much higher performance projectiles and that advantage very much levels the playing field.

As to the use of .40's, etc. by the police, the FBI is returning to the 9mm for its agents after dabbling with the 10 mm, .40 S&W and .45 ACP. They have concluded modern ammo along with higher capacity and greater ease of shooting and practical accuracy outweigh the small advantage of the larger calibers. Several other police agencies have followed suit.
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Old September 24th, 2015, 07:36 PM   #214
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I chose 9mm because I already had 2 other 9mm pistols and didn't want to add another caliber. Having said that I'd like to add that I really don't feel a need to carry a larger caliber as defense ammo in 9mm is more than adequate.
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Old January 24th, 2016, 02:17 AM   #215
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I actually switched to 9mm after carrying a 4" 1911 for around 10 yrs. I chose to switch because of capacity and the improvement of bullet tech over the last 20 yrs. Shot placement helps drop oil pressure, IMO.
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Old January 24th, 2016, 08:29 AM   #216
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I didn't read the other responses. I hope it didn't turn into a favorite cartridge discussion. But that's not why for me.

I'm currently carrying a Kimber 3" in .45, but I'm swapping over to 9mm. Why? Round count, pure and simple. The threat has changed and continues to change. Now we have a pOTUS who wants to destabilize the country with unvetted widows and orphans who are mostly fighting age males between the ages of 20-45. I see round count as being important. I can carry far more 9mm with 2 spare mags for my 9c than I can with .45. Depending on the mags, up to 52 rounds if I'm counting right. I think the round count for the .45, same number of mags, is 23. If I really want to get crazy, but I have no idea how I'd carry them, the round count with 2 27 round mags is close to insane. Since I mostly carry off body in a Maxpedition Fatboy pack I just might be able to pull off carrying those oversize sticks.




Last edited by BrianK; January 24th, 2016 at 03:32 PM.
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Old January 24th, 2016, 08:43 AM   #217
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Quote:
Originally Posted by ToddG View Post
Answer to poll question: No



Concealability is a non-issue; 9mm and .40-cal guns are identical in size for every brand I can think of.

Price of ammo is an issue, but not because "I can't afford anything but the 9mm rounds." Shooting 9mm means shooting more and practicing more for the same amount of money. If you can shoot 500 rounds of 9mm for what 400 rounds of .40 would cost you and 300 rounds of .45 would cost you, which is better?

I can shoot a 9mm faster and more accurately than a .40 or .45, too.

Finally, I'm 100% confident in the 9mm's ability to work in a self defense situation.
I totally agree with the above and the only thing I can ad to this is: The newer 9mm exotic defense ammunition is so good compared to larger calibers, according to FBI (and other reputable sources) stopping power statistics, that it becomes a no brainer to use it, for the above reasons.
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Old January 24th, 2016, 10:03 AM   #218
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I've always carried 9 because of round count. I can carry 15 in my pistol and 15 in a spare mag comfortably. In any situation I can imagine getting myself into and out of, if 30 rounds doesn't do it, I'll suffer the consequences.
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Old January 24th, 2016, 03:06 PM   #219
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It is often interesting to read older material.

Quote:
Originally Posted by S&W M&P Fan View Post
...also how can you argue with the fact that the biggest majority of LEAs carry the 40 or 357 and not many carry the 9mm anymore. JMO ok let the flogging begin.
Today LE, including the FBI, is moving back to the 9mm.

Quote:
Originally Posted by tamworth
If you carry a 9mm, do you ever wish it were a .45...?
When tamworth wrote this I had a .45 as my primary belt carry. Today I have a Shield 9mm.
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Old December 12th, 2016, 12:11 PM   #220
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Nothin but .40.....................
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Old March 21st, 2017, 06:55 PM   #221
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I am a carry permit instructor and i require a 9mm or greater caliber. The latest offerings from the big companies have made the 9mm caliber a very viable defense round. It's amazing what technology can do for ballistics.
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Old March 22nd, 2017, 03:17 AM   #222
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I chose full size 45 cal. for home defense (no short barrel 45 for me) due to slightly less penetration through barriers (compared with 9 mm or 40 cal.) as well as for the fact that 45 HST rounds may be slightly more likely to get the job done with the larger size of the hole that they make. Also, if a round fails to expand, a 45 cal. round is still going to make a fairly large hole. If a 45 cal. round flies out the window it will be less likely to penetrate my neighbors' houses and will drop sooner with less range than 9mm or 45 cal. rounds. Slightly less accuracy if quick follow up shots are needed doesn't stop me from using 45 cal. for home defense as any firing that I would be doing in my home would be in close quarters. Capacity is also a non-issue for home-defense as I can use 14 round extended magazines as this setup doesn't have to be concealable or pretty.. I replaced a S&W 686 357 magnum used for home defense due to its low round count, its heavy double-action trigger and its likelihood for excessive over penetration.

With my 2 XL hands, for carry I like a small 9 mm with a long enough grip so that I can get two full fingers on it. That eliminates the M&P 9 C and the Glock 26 and 27s for me. The 9 mm Shield works with its longer grip with eight in the mag. and one in the pipe. Most bad guys (but not all) are going to run as soon as you pull a gun out so hopefully the round count is enough. It's impossible to be prepared for every possible situation without carrying a bazooka, but I'd be much more likely to conceal carry a small 9 mm than I would any full size gun and a small 9 mm is much better than nothing.

Last edited by Yankee45; March 22nd, 2017 at 03:35 AM.
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Old March 22nd, 2017, 05:11 AM   #223
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9mm minimum, Normally 357 sig.
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Old March 22nd, 2017, 06:48 AM   #224
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A .22 can kill anyone, i figured the 9mm will be enough to stop someone dead in their tracks if needed.
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Old March 22nd, 2017, 11:06 AM   #225
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Quote:
Originally Posted by PaPow View Post
A .22 can kill anyone, i figured the 9mm will be enough to stop someone dead in their tracks if needed.
I never feel "underpowered" with a 9 and good hollow-points, I did with a 380 I used to own.

Anyone remember the Sigma 380, every shot would shave pot metal off the slide, rated at 1500 round till self destruction, oddest mag release ever, you pinched the bottom of the mag to get it out. The release was part of the mags, horrible trigger coupled with a trench instead of any real sights. Not S&W glory days with semi autos.

Gave it away to a Attorney friend who shot it a few times and GAVE IT BACK, gave it to a friend who owned nothing but was honest about the thing, few days latter he gave me a five year old working laptop that was a decent backup. I got the better deal.
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