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Action Type & Caliber Classification Flashcards

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Read the first 7 Action Type & Caliber Classification flashcards as text

  1. A firearm appraiser identifies a pistol chambered in '.45 ACP.' The abbreviation ACP stands for:

    Answer: Automatic Colt Pistol

    .45 ACP stands for Automatic Colt Pistol, a cartridge designed by John Browning and introduced by Colt in 1904.

  2. Which action type is defined by requiring a separate trigger pull for each individual shot without any manual cycling?

    Answer: Semi-automatic

    Semi-automatic actions fire one round per trigger pull and use energy from the fired cartridge to automatically cycle the action for the next shot.

  3. The .223 Remington and 5.56x45mm NATO cartridges are similar but NOT fully interchangeable because:

    Answer: 5.56 NATO is loaded to higher pressures and has a longer leade

    5.56 NATO is loaded to higher chamber pressures and has a longer throat (leade) than .223 Remington chambers, making it potentially unsafe to fire 5.56 in a .223-marked firearm.

  4. In appraising a double-barrel shotgun, the term 'over-under' (O/U) describes barrels arranged:

    Answer: One atop the other in the vertical plane

    An over-under shotgun has two barrels stacked vertically, one on top of the other, as opposed to side-by-side which are arranged horizontally.

  5. A 'wildcat' cartridge designation on a firearm being appraised indicates:

    Answer: A non-standard cartridge not produced by major commercial manufacturers

    Wildcat cartridges are non-standard rounds developed outside of commercial specifications, often by handloaders, and are not typically produced by major ammunition manufacturers.

  6. Which of the following best describes a 'recoil-operated' semi-automatic pistol action?

    Answer: Recoil energy from the fired round drives the slide rearward to cycle the action

    Recoil-operated pistols use the rearward force generated by firing to drive the slide back, extracting and ejecting the spent case and cocking the hammer for the next shot.

  7. When classifying a firearm chambered in '7.62x39mm,' an appraiser should recognize this as the standard cartridge for:

    Answer: The AK-47 and its variants

    The 7.62x39mm cartridge was developed by the Soviet Union and is the standard chambering for the AK-47 and its many variants worldwide.