+P in 40 cal - if not why not?

+P in 40 cal - if not why not?

This is a discussion on +P in 40 cal - if not why not? within the Defensive Ammunition & Ballistics forums, part of the Defensive Carry Discussions category; Is this already a hot enough load to not require a +P? I am just curious as to why no sign of it. Again, if ...

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Thread: +P in 40 cal - if not why not?

  1. #1
    Distinguished Member
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    +P in 40 cal - if not why not?

    Is this already a hot enough load to not require a +P?

    I am just curious as to why no sign of it.

    Again, if this has been discussed, please point me to the thread. Or if there is a good primer on ammo please point me to that as well.

    Thanks.


  2. #2
    Member Array BigRAM's Avatar
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    10mm would be the hot version for a 40 cal

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    Quote Originally Posted by cammo girl View Post
    Is this already a hot enough load to not require a +P?

    I am just curious as to why no sign of it.

    Again, if this has been discussed, please point me to the thread. Or if there is a good primer on ammo please point me to that as well.

    Thanks.
    .40 is pretty much at max pressure the way it is, which is why there's no SAAMI spec for .40+P.

    However, that doesn't stop some manufacturers from making what they claim is .40+P...which just means that .40+P is whatever the manufacturer wants it to be.

    Personally, I'd avoid it...or just go with a full-strength 10mm as suggested above.
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    VIP Member Array Hiram25's Avatar
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    I have a .40 cal., if I wanted something hotter I'd have gone with the 10mm.
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    Member Array OhioPx4Storm's Avatar
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    Why mess with perfection?

    .40 caliber doesn't need +P, it's just right!

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  6. #6
    Senior Member Array DIABLO9489's Avatar
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    Quote Originally Posted by BigRAM View Post
    10mm would be the hot version for a 40 cal
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    Ex Member Array Ram Rod's Avatar
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    Quote Originally Posted by BigRAM View Post
    10mm would be the hot version for a 40 cal
    True to my thinking as well. Seems there was another thread recently about this, but I could be thinking about the one concerning 9mm 147gr and +P loadings. As some have already said, the 40S&W cartridge is pretty much engineered already pushing the envelope or package. I don't want to step in poo here, but I do think the 40S&W caliber has the most going for it other than the 45acp perhaps. I can already feel something astir from the 10mm folks here, but I just figure on the 40cal being the most widely used for carry now in anything above 9mm (this would include the 357sig) in semi auto pistols. In terms of history, it will take a long time to surpass the 45acp in overall statistics since the 1911 was our service weapon for so many years on the battle front.

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    Senior Member Array Moga's Avatar
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    i saw some recently at a gun show. Georgia Arms loading a 180 gr Gold dot. About 100 fps faster iirc than the commercial Speer load. I would buy it if that formula was the only premium JHP cartridge to be found. OTOH the higher velocity is probably mostly just added noise and recoil so I wouldn't go away from my preferred 40SW SD load to acquire it either.
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    Member Array hihosilver's Avatar
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    Ive been a 45 and 9mm guy. Ive been shooting my friends xd40 the past 2 days, because im thinking about buying it from him. I am really liking the 40. The 9 is still cheapest to shoot, but the 45 hasn't been getting shot due to ammo prices. I wish I would have bought a 40 years ago now.
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    When I reload the 40 I tend to load on the minimum powder charge for the bullet weight I'm shooting and then chronograph them,and they still seem pretty stout compared to 9 or even 45
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  11. #11
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    Corbon did make a .40 S&W +P 135 grain Nosler back in the early 90's.Not sure why they stopped making the +P version.That round was the top street stopper back in the day I now have only a few rounds left.I shot the remaining ammo at coyotes and deer with devastating results, of course all shots were under 30 yards.The 10mm is loaded to 40 S&W velocity by most of the major companies.Corbon, Buffalo Boar,Double Tap load some hot ammo.

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    VIP Member Array frankmako's Avatar
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    Quote Originally Posted by BigRAM View Post
    10mm would be the hot version for a 40 cal
    there you go.
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    Distinguished Member Array Dragman's Avatar
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    I am gonna stir the pot here and say what I am thinking:
    Why not dump the 40 cal??? 9mm ammo has improved dramatically with some of the 147 grain +p stuff. There is little difference in power between good 9mm ammo and what they offer in 40. I Think the 10mm is the only way to go. STOP MAKING 40'S AND START MAKING 10'S!! I know people aren't gonna like this but its my opinion.
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  14. #14
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    Personally, I'd rather dump the 9mm.
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    I like the power of the .40 just the way it is, out of the box. I have two and they certainly work and hit very hard without a +p rating. My 2 schillings worth.
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