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  2. 9×19mm Parabellum - Wikipedia

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

    The 9×19mm Parabellum (also known as 9mm Luger, 9mm NATO or simply 9mm) is a rimless, centerfire, tapered firearms cartridge. Originally designed by Austrian firearm designer Georg Luger in 1901, [ 6 ] it is widely considered the most popular handgun and submachine gun cartridge due to its low cost, adequate stopping power and extensive ...

  3. 9×23mm Winchester - Wikipedia

    en.wikipedia.org/wiki/9×23mm_Winchester

    Archived from the original on June 20, 2009. Retrieved 2008-10-17. </ref> SAAMI [1] The 9×23mm Winchester is a pistol cartridge developed as a joint venture by Winchester Ammunition and Colt's Manufacturing Company. [2] The 9×23mm Winchester has a convoluted development history, but was commercially introduced by Winchester in 1996.

  4. .380 ACP - Wikipedia

    en.wikipedia.org/wiki/.380_ACP

    Norma Ammunition [4] The .380 ACP (Automatic Colt Pistol), also known as .380 Auto, .380 Automatic, or 9×17mm, is a rimless, straight-walled pistol cartridge that was developed by firearms designer John Moses Browning. The cartridge headspaces on the mouth of the case. [5] It was introduced in 1908 by Colt, for use in its new Colt Model 1903 ...

  5. 9 mm caliber - Wikipedia

    en.wikipedia.org/wiki/9_mm_caliber

    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. OAL refers to the overall length of the loaded round. All measurements are given in millimeters, followed by the equivalent in inches between parentheses.

  6. Gauge (firearms) - Wikipedia

    en.wikipedia.org/wiki/Gauge_(firearms)

    The gauge (in American English or more commonly referred to as bore in British English) of a firearm is a unit of measurement used to express the inner diameter (bore diameter) of the barrel. Gauge is determined from the weight of a solid sphere of lead that will fit the bore of the firearm and is expressed as the multiplicative inverse of the ...

  7. 9×23mm Largo - Wikipedia

    en.wikipedia.org/wiki/9×23mm_Largo

    Firing the thicker-walled 9×23mm Winchester round in a 9×23mm Largo pistol is dangerous, as old 9mm Largo pistols cannot handle the pressure generated by the 9×23mm Winchester. Performance is similar to the contemporary 9×23mm Steyr , but the cartridges were developed independently and their dimensions are just different enough to render ...

  8. Ballistics by the Inch - Wikipedia

    en.wikipedia.org/wiki/Ballistics_by_the_Inch

    Ballistics by the Inch (often called BBTI) was a project to test the performance characteristics of a variety of common handgun calibers/cartridges. The initial testing was done in 2008 and tested the velocity of 13 common handgun cartridges as it related to firearm barrel length. In 2009 an additional three calibers were tested and in 2010 and ...

  9. Terminal ballistics - Wikipedia

    en.wikipedia.org/wiki/Terminal_ballistics

    Terminal ballistics is a sub-field of ballistics concerned with the behavior and effects of a projectile when it hits and transfers its energy to a target. Bullet design (as well as the velocity of impact) largely determines the effectiveness of penetration.