Firearms & Marks
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Caliber | the diameter of the bore.
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| Bore | the interior diameter of a gun barrel
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| Gauge | the interior diameter of a shotgun barrel
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| Shot | lead spheres in a shotgun shell
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| Slug | a single shot or bullet in a shotgun shell
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| Grains | basic unit of weight in the British system.
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| Rifled | the bore of a gun barrel that has been machined to form a grooved spiral like a helix
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| Lands | raised areas between two grooved in the rifling of a gun barrel that impart grooves on the bullet
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| Grooves | spiral cuts into the bore of a barrel that give the bullet its spin as it moves down the barrel
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| Striae | parallel sets of scratches on a bullet caused by unique markings in the bore of a rifled weapon
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| Cannelures | grooves around a bullet that provide a means of crimping the cartridge case to the bullet
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| Head Stamp | numerals, letters, and symbols on the base of a cartridge showing the manufacturer, caliber, and code
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| Breech | portion of the gun that contains the firing mechanism
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| Extractor | hooked or cresent-shaped part attached to the breechblock which withdraws the spent casing fromt the chamber when the breechblock separated from the barrel after firing
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| Ejector | the part on the firearm whose function is to throw a spent casing from the gun after firing
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| Magazine | a container that holds cartridges under spring pressure to be fed into the gun's chamber; also called a clip
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| Chamber | part of the firearm that contains a cartridge for firing
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| Greiss Test | a color test for the presence of nitrite in gunpowder residue
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| GSR | gunshot residue
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| Sodium Rhodizonate Test | a color test for the presence of lead in gunshot residue
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| Buffer | a solution containing either a weak acid and its salt or a weak base and its salt, which is resistant to changes in pH
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| Outsoles | the outer soles of shoes at the bottom of the shoe
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| Gait | a manner of walking or moving on foot, individualized to your personality
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| Wheelbase | distance from center of front wheel hub to center of rear wheel
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| Stance | distance from the centerline of the right tire to the centerline of the left tire
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
dabbietz98
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