Just curious - why carry a 9mm over a .40? See post

Just curious - why carry a 9mm over a .40? See post

This is a discussion on Just curious - why carry a 9mm over a .40? See post within the Defensive Carry Guns forums, part of the Defensive Carry Discussions category; Now, first off, let me start by saying I am not knocking either 9mm or .40 SW - I own firearms chambered in both. To ...

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Thread: Just curious - why carry a 9mm over a .40? See post

  1. #1
    Ex Member Array MP9NewMexico's Avatar
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    Just curious - why carry a 9mm over a .40? See post

    Now, first off, let me start by saying I am not knocking either 9mm or .40 SW - I own firearms chambered in both.
    To me, the advantage of a 9mm is slightly higher capacity, usually less recoil, and the price difference in practice rounds ($3-4 more per box of .40 compared to 9mm adds up after awhile).

    With the following info, just curious why one would carry a .40 over a 9mm:

    http://winchesterle.com/SiteCollecti...20Protocol.pdf
    http://le.atk.com/pdf/GoldDotPoster.pdf
    http://le.atk.com/pdf/HSTInsertPoster.pdf

    Looks to me like the 9mm and .40 perform pretty similarly!
    sgb, DontTreadOnI and Bark'n like this.


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    Senior Member Array sensei2's Avatar
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    i, too carry 9mm, .40SW, .357SIG, .45ACP, 38SPL, 38+P, and .357Magnum as SD calibers. i believe that within the power range of these cartridges, more power is more likely to stop a BG or to stop him faster. more power means more recoil, which must be dealt with by holding harder, accepting greater shot to shot times, increased mass in the gun, and doubtless other factors not mentioned here. for me, 9mm in a well designed SD bullet is the minimum i feel comfortable with. and i can control even a 16 ounce gun in this caliber. .45ACP, in a 30+ ounce gun, is about the maximum i feel comfortable with.

    you may have faith in the studies you referenced. not everyone else will. and besides, for me, it's FUN carrying and shooting different guns and calibers.
    oneshot likes this.

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    Ex Member Array barstoolguru's Avatar
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    why a bazooka over a 40 cal ... because it works

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    Member Array EmperorMA's Avatar
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    9mm = 6

    .40 S&W = 1/2 dozen
    darbo likes this.

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    Too bad we can't invite Matix and Platt to this discussion.
    Smitty
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    VIP Member Array BugDude's Avatar
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    Choose a gun and caliber based on what you shoot the best. It is highly unlikely you would be involved in a shooting where the outcome would have changed based on having one caliber over the other unless it affected your shot placement or speed.
    9mmHP, JoeK, LoveLeather and 3 others like this.
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    VIP Member Array nedrgr21's Avatar
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    If Matix and Platt had been hit with the 9mm bullets that are available today, things probably would've been different and there wouldn't even be a 40S&W;
    if the FBI agent had decided to properly carry his revolver instead of laying it on the seat, things might've been different;
    if the agents would've loaded their .357's with .357's, things might've been different.
    ...

    Deciding what cartridge to carry based on designs and performance from 25 yrs ago doesn't make much sense.
    helderberg, Gary T, mkh and 1 others like this.

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    Ex Member Array Nick62's Avatar
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    I don't know if it really matters what the round is, within reason. If all you've got is a handgun, you're kind of under-gunned from the start. I've had good, clean, solid chest-cavity hits on deer and elk using a .270 and .30-06, and half the time they still manage to run 100-200 yards before they expire. And that's hitting them with 5 or 6 times the energy of a SD cartridge. So I don't know if an extra 50 ft-lb of energy or 0.050" diameter is going to help any more.
    Last edited by Nick62; June 5th, 2012 at 10:00 PM.

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    Member Array ramitupurs84's Avatar
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    I'll take Nick62 comments a step farther. I've seen a deer shot under 50 yards with a 12 ga sabot in the guts. It's ran for quite a while. Shot placement is key irregardless of what your shooting at. I like my 9mm...
    helderberg likes this.

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    Ex Member Array Bullet1234's Avatar
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    If shot placement is good,,, either will do the job,,, with a slight
    edge going to the 40 ,,,,, may opinion,,,, and observations,,,, I too,
    have both & like both.

  11. #11
    Distinguished Member Array Burns's Avatar
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    Another caliber thread? There are about 500 of these that you could have just searched for. Both are good, 40's not better than 9, 9 isn't better than 40. It's preference, just like everything gun related.
    Those who make peaceful revolution impossible will make violent revolution inevitable- JFK

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    Ex Member Array MP9NewMexico's Avatar
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    Quote Originally Posted by Burns View Post
    Another caliber thread? There are about 500 of these that you could have just searched for. Both are good, 40's not better than 9, 9 isn't better than 40. It's preference, just like everything gun related.
    Touch a nerve?

  13. #13
    Distinguished Member Array Burns's Avatar
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    Quote Originally Posted by MP9NewMexico View Post
    Touch a nerve?
    No, telling it like it is.
    Those who make peaceful revolution impossible will make violent revolution inevitable- JFK

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    VIP Member Array Civil_Response's Avatar
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    It's obvious that all handgun rounds are under powered and worthless, with the exception of 10mm.


  15. #15
    sgb
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    VIP Member Array sgb's Avatar
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    I agree, when using quality JHP ammunition I don't see any advantage to the .40 over the 9mm.
    "There is a secret pride in every human heart that revolts at tyranny. You may order and drive an individual, but you cannot make him respect you." William Hazlitt (1778 - 1830)

    Best Choices for Self Defense Ammunition

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