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  2. 9 mm caliber - Wikipedia

    en.wikipedia.org/wiki/9_mm_caliber

    This is a list of firearm cartridges that have bullets in the 9 millimeters (0.35 in) to 9.99 millimeters (0.393 in) caliber range.. Case length refers to the round case length.

  3. Power factor (shooting sports) - Wikipedia

    en.wikipedia.org/wiki/Power_factor_(shooting_sports)

    In IPSC competitions all handguns must have a power factor of at least 125 kgr·ft/s (≈ 2.47 newton seconds), and therefore almost anything of 9×19mm or greater caliber will meet the minimum required power factor. The minimum power factor rule is designed to mitigate the speed and accuracy advantages of smaller calibers.

  4. XM17 Modular Handgun System competition - Wikipedia

    en.wikipedia.org/wiki/XM17_Modular_Handgun...

    Owing to the poor reception of the 9mm NATO cartridge in combat zones like Iraq and Afghanistan, the program was an open-caliber competition to evaluate larger rounds like the .40 S&W and .45 ACP or more powerful rounds like the .357 SIG or FN 5.7×28mm. Although the objective was for a round with better terminal ballistics, the argument for ...

  5. United States Practical Shooting Association - Wikipedia

    en.wikipedia.org/wiki/United_States_Practical...

    Minimum caliber for minor scoring is 9×19mm loaded to a power factor of 125 kgr·ft/s while minimum caliber for major scoring is a 10 mm (.40") cartridge loaded to a power factor of 165 kgr·ft/s, making for an interesting choice between minor and major scoring taken in mind the differences in recoil, magazine capacity and scoring points.

  6. 9×19mm Parabellum - Wikipedia

    en.wikipedia.org/wiki/9×19mm_Parabellum

    The round is also known as "9mm NATO" because it has become a standard pistol caliber for NATO forces. [26] The cartridge has been manufactured by, or for, more than 70 countries. [9] 9mm NATO can be considered an overpressure variant of 9×19mm Parabellum that is defined by NATO standards. The proof pressure is 3,150 bars (45,700 psi ...

  7. .350 Legend - Wikipedia

    en.wikipedia.org/wiki/.350_Legend

    Single-shot rifles in those specified calibers became legal on January 1, 2023. Ohio's Deer Hunting Regulations allow the use of a straight-walled rifle cartridge with a minimum caliber of .357 inches (9.1 mm). The .350 Legend is only .355 inches (9.0 mm), two thousandths of an inch too small to satisfy Ohio's Deer Hunting Regulations as codified.

  8. 9mm Major - Wikipedia

    en.wikipedia.org/wiki/9mm_Major

    9mm Major is a wildcat cartridge of the 9mm Luger specifically for competition pistols designed to handle very high pressure. It is used in practical shooting competitions like International Practical Shooting Confederation (IPSC) and United States Practical Shooting Association (USPSA) to achieve a "Major" power factor, which earns more points for hits in specific zones on paper targets ...

  9. Joint Service Small Arms Program - Wikipedia

    en.wikipedia.org/wiki/Joint_Service_Small_Arms...

    The Heckler & Koch VP70, with its then unusual trigger mechanism (a three round burst selection was available when the supplied stock was attached), allowed only double action firing and failed the hand-held accuracy portion of the tests. As for the endurance tests, the four P9S specimens fired a total of 18,697 rounds with 360 stoppages ...