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AR15.COM
11/7/2014 10:27:12 AM EDT
I am in a bit of a dilemma.  I know I want the M&P for my first handgun.  Im stuck between either the M&P9 or the M&P40.  I have already looked into the difference in calibers, etc and that alone isnt the selling point. I am leaning toward the M&P40 because you can get a drop-in 9mm barrel and you now have both the M&P40 and M&P9 for a lot less than buying both guns separately. However, for practical purposes of a all around handgun and money, is it better to get one over the other?  Either way I will be buying through Quantico Tactical because they have the best prices and they have a store decently close.

M&P9: http://quanticotactical.com/asp/itemDetail.asp?dispItemNum=2863&type=M&CMN=Smith%20and%20Wesson&CMNum=142&CMSNum=579&CMSN=M&P%20Pistols
M&P40: http://quanticotactical.com/asp/itemDetail.asp?dispItemNum=2866&type=M&CMN=Smith%20and%20Wesson&CMNum=142&CMSNum=579&CMSN=M&P%20Pistols
11/7/2014 11:26:05 AM EDT
[#1]
I just picked up an M&P40.  I had an M&P9 years ago and I liked it alot.  I went with 40 because I like the round and I already have a Glock 19 for 9mm duty.  While I have no qualms about using a 9mm for SD, finding good SD ammo is problematic.  I shoot my SD ammo regularly so I need to be able to replenish my stock.  Also, 40 FMJ only costs me about $400 a year more to shoot.  

Honestly, if you truly don't have a caliber preference, get whichever one you find cheaper.
11/7/2014 12:01:39 PM EDT
[#2]
9mm.  Cheaper ammo.  More in the mag.  Less recoil.  This isn't even a debate.
11/7/2014 12:20:27 PM EDT
[#3]
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I just picked up an M&P40.  I had an M&P9 years ago and I liked it alot.  I went with 40 because I like the round and I already have a Glock 19 for 9mm duty.  While I have no qualms about using a 9mm for SD, finding good SD ammo is problematic.  I shoot my SD ammo regularly so I need to be able to replenish my stock.  Also, 40 FMJ only costs me about $400 a year more to shoot.  

Honestly, if you truly don't have a caliber preference, get whichever one you find cheaper.
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Grab a .357Sig barrel and a 9mm conversion barrel for it.  Get some 9mm mags too.  Then run any of the three calibers whenever you find the better deal on ammo.  Win-win!
11/7/2014 1:36:55 PM EDT
[#4]
First gun, cheaper ammo, lower recoil, more capacity, just as lethal as .40.  Definitely go with the 9mm.
11/7/2014 7:00:03 PM EDT
[#5]
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9mm.  Cheaper ammo.  More in the mag.  Less recoil.  This isn't even a debate.
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+1
11/7/2014 10:40:22 PM EDT
[#6]
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First gun, cheaper ammo, lower recoil, more capacity, just as lethal as .40.  Definitely go with the 9mm.
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This.   I recently downsized my carry gun from .45 (carried 15 years) to nine.    I love my full-size .45s, and still shoot them for fun.  But to save my life, I can shoot a compact nine faster and more accurately.   An awful lot of people out there are over-gunned and don't know it.

What will a .40 do that a nine won't?
11/7/2014 11:00:32 PM EDT
[#7]
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9mm.  Cheaper ammo.  More in the mag.  Less recoil.  This isn't even a debate.


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11/7/2014 11:09:18 PM EDT
[#8]

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9mm.  Cheaper ammo.  More in the mag.  Less recoil.  This isn't even a debate.




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11/7/2014 11:40:28 PM EDT
[#9]
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9mm.  Cheaper ammo.  More in the mag.  Less recoil.  This isn't even a debate.


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11/8/2014 12:26:57 AM EDT
[#10]
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9mm.  Cheaper ammo.  More in the mag.  Less recoil.  This isn't even a debate.


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11/8/2014 10:47:51 PM EDT
[#11]
<quote tree pruning>
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Posted Via AR15.Com Mobile
11/8/2014 11:06:40 PM EDT
[#12]
+7

The 40 S&W is the answer to a question that was asked in the 1980s, but then some people still think the Hydra-Shok is good to go as well...

11/9/2014 8:35:49 AM EDT
[#13]

Agreed 9 mm
11/9/2014 9:03:30 AM EDT
[#14]
m&p is better in 40 imo
11/9/2014 10:48:47 AM EDT
[#15]
.40 might be a more potent round, but for a first handgun 9mm is better.  It has a less snappy recoil which IMHO is better for a first handgun.  Plus ammunition is cheaper which means for more practice for less $$$$.
11/9/2014 12:18:42 PM EDT
[#16]
I'll agree with most here that 9mm is better for most purposes, but I also agree with this:

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m&p is better in 40 imo
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.40 S&W is the native caliber of the M&P. The unlocking / accuracy issues I've heard of with the early guns seem to be centered around the 9mm guns, but I've never seen it personally.

My S&W semiautos are all .40s, but 9mm is my primary handgun caliber.
11/9/2014 12:27:53 PM EDT
[#17]
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9mm.  Cheaper ammo.  More in the mag.  Less recoil.  This isn't even a debate.
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This is not a debate indeed.
This is war! Caliber war!
Kidding aside, I'm a 9 mm fan because of the reasons mentioned above.

11/10/2014 2:15:51 PM EDT
[#18]
I bought both!
11/10/2014 2:25:16 PM EDT
[#19]
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I bought both!
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Congrats, but.....how have you been a member here for 11.5 years and only posted TWICE?  
11/10/2014 2:35:37 PM EDT
[#20]
Finally retired! Built a house, ranges, grandbabies born, etc.
11/10/2014 3:16:24 PM EDT
[#21]
I'd get the M&P40 and then get a 9mm barrel and mags and you can have two calibers in one gun. Three calibers if you get a .357 SIG barrel.
11/10/2014 5:54:19 PM EDT
[#22]
If you go 40....then you will be this guu

11/10/2014 6:55:20 PM EDT
[#23]
9mm all the way
11/10/2014 7:19:10 PM EDT
[#24]
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I'd get the M&P40 and then get a 9mm barrel and mags and you can have two calibers in one gun. Three calibers if you get a .357 SIG barrel.
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This.

And as for the .40 is "too snappy" crowd; the M&P .40 is actually a very soft shooting pistol that holds a respectable 16 rounds in the gun.

16 rounds of .40 is somehow insufficient whereas 8 rounds of 9mm in a Shield is enough.
11/10/2014 9:16:26 PM EDT
[#25]
M&P9 hands down. I wouldn't even have to think about it.  My full-size is great, but I have a certain fondness for my compact.  Maybe it's because I've carried it longer than any other handgun.  It could be my one gun.
11/10/2014 9:35:30 PM EDT
[#26]
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This.

And as for the .40 is "too snappy" crowd; the M&P .40 is actually a very soft shooting pistol that holds a respectable 16 rounds in the gun.

16 rounds of .40 is somehow insufficient whereas 8 rounds of 9mm in a Shield is enough.
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I'd get the M&P40 and then get a 9mm barrel and mags and you can have two calibers in one gun. Three calibers if you get a .357 SIG barrel.


This.

And as for the .40 is "too snappy" crowd; the M&P .40 is actually a very soft shooting pistol that holds a respectable 16 rounds in the gun.

16 rounds of .40 is somehow insufficient whereas 8 rounds of 9mm in a Shield is enough.


Agree 100%. The M&P was designed around the .40 S&W unlike other designs and as a result the recoil is very pleasant. I'm actually not a fan of the .40 at all but the full-size M&P is the ONLY handgun I'd own in that caliber.