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The round lead projectile usually wrapped in a greased fabric patch and fired by muzzleloading firearms. |
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A term generally used by the military for a cartridge with a full metal jacketed bullet or solid metal projectiles. |
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The study of what happens to moving projectiles. Internal/Interior Ballistics studies what happens inside the firearm from the moment of ignition until it leaves the barrel. Exterior/External Ballistics studies the motion of the projectile after it leaves the barrel. Terminal Ballistics studies the projectile's impact on the target. |
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The tube through which the bullet or shot charge passes when the firearm is fired and gases created by the ignition of the powder or compressed air act as the projectile's propellant. May be rifled or smooth. |
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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
sleeve. |
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A general term
for any projection extending at right angles to the
barrel
. |
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The movement of the
barrel
as the projectile
moves through it. |
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A rifle or shotgun lacking
only the
stock. |
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The portion of
the cartridge case that contains the primer, also
called the head. |
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In Shotgun shells, BB shot has a
diameter of .180 inches. For use in air
guns, a BB is .175 inches in diameter. |
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The narrow band around the rear section of
a cartridge case and forward of the extractor groove that is intended to
strengthen the case and usually associated with magnum calibers. |
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A finely
ground mixture of three basic ingredients: saltpeter
(potassium nitrate), charcoal (carbon), and sulfur. |
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An integral
magazine with a permanently closed bottom. |
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A system where the pressure and energy
from the
cartridge discharge pushing
rearward against the empty cartridge case is used to operate the unloading and
loading cycle of a
semi automatic or
automatic firearm. |
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