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9X23 Winchester ammo

JGR2018
I just found some 9X23 ammo for sale. what is this caliber? Looked it up in the shooters bible and it is listed seperate from 9mm luger. cannot remember ever seeing a gun listed in this caliber. I assume that it cannot be safly loaded or fired in a standard 9mm luger gun. Any info that will shed light on this is welcome, thsnks.
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  • mark christian
    The 9X23mm was designed expressly for use in IPSC competition where a complicated formula determines whether or not a cartridge "makes major". This cartridge makes the cut and offers lower recoil when compared to other "major" calibers, although the 9X23 can be loaded very hot and to approach magnum caliber numbers. You won't find the 9X23 used much outside of IPSC competitions.
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  • JGR2018
    Can this be used in any standard 9mm gun?
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  • BHAVIN
    NO! 9X23 (AKA 9 Super Comp) is 23mm in length where as 9mm (AKA 9x19) is 19mm in length. 9x23 operates at a much higher pressure than 9mm.
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  • nononsense
    JGR2018,

    "The 9x23 Winchester was designed by Winchester and introduced in 1996. The chambering was designed to meet a specific requirement of the International Practical Shooting Confederation (IPSC) competition and is not well known outside that discipline. IPSC competitors have struggled for years to conduct the lowest-recoiling load that will qualify for Major Power Factor designation. While the 9x23 Winchester looks like a stretched 9mm Luger, there are significant internal differences. The 9x23 Winchester has an unusually thick web section. This prevents the dangerous case-wall blow out that can occur with any conventional pistol cartridge when an unusually high pressure loading is fired in a gun with a feed ramp in the bottom of the chamber that extends further forward then the "solid" portion of the case (web). The 9x23 Winchester case has sufficient capacity to allow IPSC shooters to achieve Major power factor using relatively light bullets and without generating gun wrecking pressures."

    Source: Cartridges of the World

    9x23case38supercase.jpg

    Best.
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  • tsr1965
    As has been stated, the 9mmx19 Lugar, is a different round than the 9mmx23 Winchester. The second number being representative of the case length.

    The IPSC regulations for meeting MAJOR power factor, has been long a factor in updated cartridge designs. There is another one out there called the 9x25 Dillon, that takes a 10mm Auto and necks it down to 9mm. This is a pretty firey round, that can approach 2000 FPS with the lighter bullets.

    But to answer your question...no, you can not fire this sturr in the regular 9mmx19 chambered pistols.

    Best
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  • beantownshootah
    quote:Originally posted by JGR2018
    I just found some 9X23 ammo for sale. what is this caliber? Looked it up in the shooters bible and it is listed seperate from 9mm luger. cannot remember ever seeing a gun listed in this caliber. I assume that it cannot be safly loaded or fired in a standard 9mm luger gun. Any info that will shed light on this is welcome, thsnks.


    9x23 is one of the many versions of 9mm "magnum". Its basically an update of the much older .38 Super +P, only with a true rimless case.

    Ballistically, this is a great cartridge. It will give you true .357 magnum like ballistics from an auto-loading pistol including a properly chambered 1911-like pistol. Unlike the 357 SIG (which actually falls a bit short of the 357 magnum) this one can even be pushed a little hotter.

    Unlike the semi-rimmed .38 Super, the rimless case means it will stack in a single (or double) column magazine properly, and feed and eject properly. At the same time, the super thick brass makes it a lot safer than the older .38 Super (which is prone to case blowout if overloaded, or using multiply reloaded brass when fired from partially unsupported chamber guns).

    No, you can't fire this in any "ordinary" 9mm luger gun. The cartridge is longer AND it runs at higher pressures, meaning it could be dangerous to try it.

    You need a special gun chambered for this round to fire it. There aren't many production guns in this caliber, as its popularity is mostly limited to IPSC shooters (as described earlier in this thread). So this is mostly a custom proposition.

    If you want to enter 9x23 on the cheap, supposedly, the stock EAA Witness guns in .38 Super will run this round just fine with no modifications whatever. Obviously, they're not meant for that, and you try this at your own risk.
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