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A device on a firearm designed to prevent accidental firing. |
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The part of a firearm that retains the hammer or striker in the cocked position until the trigger is pulled. |
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In a double-barreled firearm, the
selector is a device to allow the
shooter to choose the
barrel used by the first pull of the
trigger. In full automatic firearms, it is the lever that chooses between semi-automatic and automatic firing and between a high and low rate of automatic firing. |
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A repeating
firearm that requires a separate pull of the trigger for each shot fired. The energy of the discharge is used to cycle the process of extracting the empty cartridge case and loading and locking in place a new cartridge ready to be fired by the next trigger pull. Compare automatic. |
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A unique number applied to a firearm in order to identify the individual
firearm. |
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The fixed ammunition for a shotgun composed of a brass head, a plastic or paper shell, a primer, powder or propellant, a measure of shot, and various wads or thin card-like discs over the shot, under the shot and over the powder. A combination wad made of plastic is used in many modern shotshells to act as a spacer, shot protector and over powder wad. |
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In this design, the firing mechanism is attached to a side plate rather than being an integral part of the frame. |
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Any of a variety of devices, mechanical and optical, designed to assist in the aiming of a firearm. |
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An insert of special material placed in a
barrel to reduce bore erosion, renew an eroded bore. They are also used to strengthen a barrel or alter the diameter to accept a different caliber of ammunition. Also called a
barrel liner. |
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This action uses manual action on a moveable forearm, parallel to the
barrel. Sliding the forearm to the rear opens the action and empties the breech or chamber by extracting and ejecting the empty cartridge case. Sliding the forearm forward loads a new cartridge into the chamber and locks the action for firing. Also called pump action. |
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Generally refers to a .22 caliber firearm. |
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Propellant containing mainly nitrocellulose or both nitrocellulose and nitroglycerine. |
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Firearm with unrifled bore. |
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A bullet with a sharp point, A pointed bullet; from
the German word "'Spitz" meaning pointed. Most modern military bullets are of
this type.
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 Staggered Column
Magazine |
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A box magazine that has two staggered columns of cartridges
that increase capacity but not length of the magazine. |
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A component, traditionally wood
but also made of laminates and other weather
resistant materials, to which a
barreled action
is attached to enable a shooter to hold the firearm. |
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A term improperly used to
describe removable magazines containing cartridges.
Technically, a cartridge container designed to
rapidly reload the firearm's magazine. Also called
the clip. |
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United
States -
Canada
Gun
Glossary
Education
