The Definition of Stopping Power
A popular but imprecise term used to refer to the ability of a small arms cartridge to cause a human assailant or an animal to be immediately incapacitated when shot with it. A more precise term is be Wound Trauma Incapacitation (WTI).
19 Other Firearms Definitions You Need To Know
Also known as a Case. The envelope (container) of a cartridge. For rifles and handguns it is usually of brass or other metal; for shotguns it is usually of paper or plastic with a metal head and is more often called a "shell."
Abbreviation for Double Action/Single Action. A type of firearm that is designed to operate in double action on the first shot, and in single action on the second and subsequent shots.
A bullet that is designed to disintegrate into tiny particles upon impact to minimize their penetration for reasons of range safety,
to limit environmental impact, or to limit the danger behind the intended target. Examples are the Glaser Safety Slug and the breaching round.
The small lever on a cartridge firearm, which one pulls to cause the spring-loaded firing pin to impact the primer, causing the gun to discharge.
Normally, the trigger simply connects to the sear. Pulling the trigger moves the sear out of its notch, releasing the spring-loaded hammer
to strike the firing pin which in turn strikes the primer; or the coilspring-loaded firing pin directly. Other, often-Germanic systems have their own
miniature lockwork which, when cocked, allows an exceedingly light trigger pull to discharge the firearm, a setting that would be perilous to carry in the field.
A type of shotgun ammunition which uses very small pellets with individual projectiles of less than .24" in diameter
designed to be discharged in quantity from the shotgun. The size of the shot is given as a number or letter--
with the larger number the smaller the shot size. It is so named because it is most often used for hunting birds.
The finest size generally used is #9 which is approximately .08" in diameter and the largest common size is #2 which is approximately .15"
A plain, functional, unembellished firearm used to hunt in rough terrain where one might prefer not to put a more expensive, deluxe grade gun at risk of damage.
Is a failure of the next round to completely enter the chamber. Misfeeds and failures to feed are very similar, a
failure to feed is a round that never even leaves the top of the magazine, while a misfeed is a
round that leaves the magazine but does not enter the chamber.
More correctly a "rifled slug" or "shotgun slug." An individual cylindrical projectile designed to be discharged from a shotgun. The term is often incorrectly used to mean a Bullet.
Most firearms do not have literal batteries. But a firearm is said to be in battery when the breech is fully closed and locked,
ready to fire. When the breech is open or unlocked, the gun is out of battery and no attempt should be made to fire it.
A semi-automatic is out of battery when the slide fails to come all the way forward again after the gun has fired, making it
dangerous or impossible to fire the next round. This condition can be created by a misfeed, a dirty gun, weak springs,
the shooter's thumbs brushing against the slide, riding the slide, or any of several other causes.
More commonly known as WRF, it is a family of rimfire cartridges designed by Winchester Repeating Arms Company
Italian for "short." Seen as part of a cartridge designation. On some Italian manufactured guns that use .380 ACP, the designated caliber is 9mm Corto (9mm Short), which is also the same as the German 9mm Kurtz
A needle like metal part of a modern firearm that gives a vigorous strike to the primer initiating the firing of the cartridge.
A long, slender, dowel-like tool used to force powder and shot down the bore of a muzzle-loading firearm.
For hand-fired guns, normally retained in some kind of receptacle attached to the gun's barrel. Carried separately for muzzle-loading cannon.
A semi-automatic firearm malfunction in which the extractor fails to move the empty case out of the way as the slide travels back. A failure to extract often causes double-feed malfunction.
Two independent rifles, built on one frame, designed to allow two virtually instantaneously quick, totally reliable shots.
The barrels may be arranged either side-by-side or over-and-under. The apogee of the gunmaker's art.
Particularly useful against dangerous game, which may be moving, and in your direction, with vengeance on its mind.
A small metal explosive-filled cup which is placed over the nipple of a percussion firearm. As the cap is struck by the hammer, it explodes and sends a flame through the flashhole in the nipple to the main powder charge.
The firing mechanism of a a muzzle-loading weapon. In breech-loading firearms, the lock is the firing mechanism and breech-sealing assembly.
Also spelled "+P" or "P+".
Is small arms ammunition that has been loaded to a higher internal pressure than standard for it's caliber.
Many calibers are available in both standard and +p or +p+ variants. Ammunition marked +p produces more power
and higher pressures than the standard ammunition. Not all firearms are designed to handle the increased
pressure consult your owner's manual or gun manufacturer before using +P ammunition.
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