caliber down sizing

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  • silentvoice71

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    Feb 8, 2009
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    I didnt think id ever do this but im thinking of getting rid of 45 and moving to 9mm. It would be cheaper and carry less. But i loose the larger round/knock down. Im in a bind here lol anyone have any input?.
     

    Rob377

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    You have to have lots of rounds for......



    SUPPRESSING FIIIIIIIIIIRE!!!!!


    tumblr_m0z8f0WdNw1qi7deco1_500.gif
     

    lovemachine

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    Dec 14, 2009
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    I downsized to 9mm from .45.

    Reasons being:
    Cheaper to shoot.
    Easier to carry.
    Round count.
    9mm does what I need to do.
    My wife can shoot it too.
     

    88E30M50

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    Dec 29, 2008
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    What is this wonderful "knock down power" that I've heard so much about?

    It really only applies to bowling pins since they are very consistent in construction. Unless you are expecting to be attacked by a gang of bowling pins, it really has no bearing on the choice of an SD handgun.
     

    BehindBlueI's

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    Oct 3, 2012
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    Houghmade to be honest a good 9mm hp will do the same not looking to start a argument.... If thats what ypur lookin fo go else where

    Its a game of semantics. "Knock down power" indicates that a handgun bullet can literally knock someone down, which of course it can't. Some folks get itchy when its used interchangeably with "stopping power" and/or "cartridge effectiveness." In your original post you state you'll lose knock down. Hough's point is there is no such thing as knock down, regardless of caliber. There are differences in effectiveness, and the gap can be pretty narrow or pretty wide. A perfect shot with perfect penetration and the gap will be narrow to the point of nonexistence between the common carry calibers. However, the gap can widen if the target is on the other side of a windshield, for example. A lot depends on shot placement, ammo selection, angle of impact, presence of intermediate barriers, and pure dumb luck in how a particular bullet deflects around inside the body. However none of that equates to 'knock down'.
     

    venenoindy

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    Jul 14, 2009
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    I didnt think id ever do this but im thinking of getting rid of 45 and moving to 9mm. It would be cheaper and carry less. But i loose the larger round/knock down. Im in a bind here lol anyone have any input?.

    The myth of the knock down power is long gone with today's manufacturing technology, there is some specific applications were it calls for a specialty round but for the every day person buying a good quality hp will do the job. It is a lot more convenient having one caliber but also makes it interesting when the one caliber you have is not available and others are, Back in 2008 I went out and bought one each handguns of the most popular calibers (.45, .40, 9mm) and it paid off as each time I went to buy ammo one of the calibers was available.
     

    silentvoice71

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    Venenoindy i cast amd load my own bullets and even through this last squeeze i had just about everything i needed. Im gonna buy a lot of brass gas checks powder and primers.
     

    ru44mag

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    BBI started a thread recently about failure of .25s. Someone had some very interesting stats that indicated a very small advantage going from .380 to a .45 and 9mm being basically the same. I'm really glad to see so many pointing out that knock down power is a myth. I'm happy to say I have never had to shoot a man, but have shot a great number of deer, and can say "knock down" only comes from shots to the CNS. The shock of a 240 grain soft point 44mag going through the vitals, however does incapacitate rather quickly.:):
     

    45fan

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    I love my .45s, but to be perfectly honest, I dont feel under-gunned in the least when I opt to carry a 9mm. I still carry my 1911 about half the time, but I find that my Hi-power is just a tad easier to carry, and has the added benefit of higher capacity. When I opt to go extra low profile, the Kahr fills that bill better than even my officers model, and even though I am giving up 1 round in the mag, I still feel that if push came to shooting, the little Kahr would open a hole that will allow me and mine to exit said bad situation.

    It seems that recently, the 45s are more of a "social" carry gun, something that gets OC'd at cookouts and whatnot, where the others are all business. Both I have confidence they will do the job, but, like you, since my wife carries 9mm ( and 380, and 38 Spl, 357) I tend to focus on those calibers more when it comes to keeping a reserve in the ammo cabinet.
     

    Paul30

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    That could be considered an up sizing. If you carry the same size pistol with twice the ammo, I would consider it an upsize. If you carry half the size and weight gun with the same lethality, it would consider that an upsize as well. I have shot larger guns in the past, but you really have to consider it's primary application for the job. As one person posted, if you are going to a bowling pin shooting match, take the heavy slow bullet with as large a magazine as you can stuff in it. If your primary expected target is a human agressor, and you expect to have to actually shoot a person in self defense once or twice in a lifetime should the situation arise, then you will be carrying the size and weight of that carry gun 99.99% of the time and using it .01 of the time. Granted that .01% of the time it must work and be effective, I have chosen to change to the 9mm to give me more ammo and a lighter gun. Most people who carry will carry their entire lives and never even need to draw the gun, much less need to fire it. Police officers have worked entire careers and never fired a shot at a person. I will practice with my smaller CCW firearm, and if the times get more dangerous I may change to a larger one. Riots possible due to political unrest, etc. and I may move up to either a higher capacity handgun or up to a rifle if it gets really bad. Until then I will chose my carry gun dependent on the current expected threat level.
     
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