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  2. Overpressure ammunition - Wikipedia

    en.wikipedia.org/wiki/Overpressure_ammunition

    Speer Gold Dot 124gr 9mm+P in SIG P226 magazines. Overpressure ammunition, commonly designated as +P or +P+ (pronounced Plus-P or Plus-P-Plus), is small arms ammunition that has been loaded to produce a higher internal pressure when fired than is standard for ammunition of its caliber (see internal ballistics), but less than the pressures generated by a proof round.

  3. .45 GAP - Wikipedia

    en.wikipedia.org/wiki/.45_GAP

    The .45 GAP (Glock Auto Pistol) or .45 Glock (11.43×19mmRB) is a pistol cartridge designed by Ernest Durham, an engineer with CCI/Speer, at the request of firearms manufacturer Glock to provide a cartridge that would equal the power of the .45 ACP, have a stronger case head to reduce the possibility of case neck blowouts, and be shorter to fit in a more compact handgun.

  4. Small arms ammunition pressure testing - Wikipedia

    en.wikipedia.org/wiki/Small_arms_ammunition...

    The test cartridge must be inserted into the chamber in such a way that the hole in the test cartridge case lines up with a gas port hole that channels the gas pressure from the cartridge case to the face of the sensor. The measurement accuracy of the pressure measurements with 21st century high-pressure sensors is expected to be ≤ 2%. [7]

  5. .40 S&W - Wikipedia

    en.wikipedia.org/wiki/.40_S&W

    The .40 S&W (10.2×22mm) is a rimless pistol cartridge developed jointly by American firearms manufacturers Smith & Wesson and Winchester in 1990. [3] The .40 S&W was developed as a law enforcement cartridge designed to duplicate performance of the Federal Bureau of Investigation's (FBI) reduced-velocity 10mm Auto cartridge which could be retrofitted into medium-frame (9 mm size) semi ...

  6. Hydra-Shok - Wikipedia

    en.wikipedia.org/wiki/Hydra-Shok

    .45 ACP Hydra-Shok, .45 ACP Hydra-Shok (reduced recoil), 9mm Hydra-Shok.22 LR HP, 9mm Hydra-Shok, 9mm FMJ Hydra-Shok is a type of hollow-point projectile made by Federal Premium Ammunition . It was originally patented by ammunition designer Tom Burczynski.

  7. Hollow-point bullet - Wikipedia

    en.wikipedia.org/wiki/Hollow-point_bullet

    JSP is a semi-jacketed round as the jacket does not extend to the tip Various hollow points: .45 Auto, .38 Special, .44 S&W Special, .44 Remington Magnum.45 ACP Federal HST 230gr hollow point cartridge, with two rounds of CCI Standard Velocity .22 LR for comparison purposes.40 S&W round, complete cartridge and expanded bullet A 9mm hollow point ...

  8. .45 ACP - Wikipedia

    en.wikipedia.org/wiki/.45_ACP

    The .45 ACP (Automatic Colt Pistol), also known as .45 Auto, .45 Automatic, or 11.43×23mm [1] is a rimless straight-walled handgun cartridge designed by John Moses Browning in 1904, for use in his prototype Colt semi-automatic pistol.

  9. Cartridge (firearms) - Wikipedia

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

    .45 ACP: The standard US pistol round for about 75 years. Typical .45 ACP loads are subsonic. [54].45 Colt: a more powerful 45-calibre revolver round using a longer cartridge. The .45 Colt was designed for the Colt Single Action Army and adopted by the US Army in 1873. Other 45-calibre single-action and double-action revolvers also use this round.