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  2. .38 Super - Wikipedia

    en.wikipedia.org/wiki/.38_Super

    The .38 Super, also known as .38 Super Auto, .38 Super Automatic, .38 Super Automatic +P (High Pressure Variant), .38 Super +P (High Pressure Variant), or 9×23mmSR, [2] is a pistol cartridge that fires a 0.356-inch-diameter (9.04 mm) bullet. It was introduced in the late 1920s as a higher pressure loading of the .38 ACP, also known as .38 Auto.

  3. 9×23mm Winchester - Wikipedia

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

    In comparison to the long-established .38 Super Auto, also a 9×23mm, the new cartridge was rimless rather than semi-rimmed. Drawing of 9×23 Winchester cartridge. Announced to the public in early 1996 at an NRA convention, the 9×23mm Winchester cartridge was claimed to have the lowest recoiling load and still qualify for Major Power Factor ...

  4. 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.

  5. .38 ACP - Wikipedia

    en.wikipedia.org/wiki/.38_ACP

    The .38 ACP (Automatic Colt Pistol), also known as the .38 Auto, .38 Automatic, or 9×23mmSR, is a semi-rimmed pistol cartridge that was introduced at the turn of the 20th century for the John Browning-designed Colt M1900. It was first used in Colt's Model 1897 prototype, which he did not produce.

  6. 9×25mm Dillon - Wikipedia

    en.wikipedia.org/wiki/9×25mm_Dillon

    Underwood Ammo offers three 9×25mm Dillon factory ammunition loads from 90 to 125 grains. [6] Conversions: Drop-in barrels are available as aftermarket parts for the Glock 40, Glock 20 and Glock 29 semi-automatic pistols. [7] These pistols are originally chambered by Glock for parent cartridge of the 9×25mm Dillon, the 10mm Auto.

  7. Thompson–LaGarde Tests - Wikipedia

    en.wikipedia.org/wiki/Thompson–LaGarde_Tests

    The Thompson–LaGarde Tests have since been criticized as being "highly unscientific" and producing a recommendation unsupported by the test results. [7] Others, notably Julian Hatcher [9] and Jeff Cooper, [10] regarded the tests as well conducted, and the recommendation as fully supported by the evidence available to the board, and empirical evidence subsequently available concerning ...

  8. Power factor (shooting sports) - Wikipedia

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

    The desire to get the benefit of major scoring has led to some competitors adopting high speed 9 mm cartridges loaded to major, such as .38 Super. The felt recoil of a normal handgun in .38 Super is similar to the .45 ACP, but the higher pressure in the .38 Super provides more gas pressure for muzzle brakes. The .38 Super caliber became popular ...

  9. 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.