The Definition of Disc-Set Strikers
Circular steel fittings, about 1/2 inch in diameter, screwed into the breech face of a gun and through which the firing pins pass.
Firing pin bushings allow the convenient replacement of broken firing pins. They also allow the renewal of an older gun where, over the decades,
leakage of high-pressure gas from corrosive primers has eroded the breech face around the firing pins; and replacing these bushings with new ones,
slightly oversized can compensate for a situation where proper headspace has been compromised.
19 Other Firearms Definitions You Need To Know
A device used (usually set on a counter) to support a shooters arms and/or hands to help make steadier shots.
The tendency of a bullet to tip in flight and hit a target sideways, leaving a distinctly oblong hole.
This destabilization of the spinning bullet in flight is typically caused by a bullet weight inappropriate
for the rate of twist of the rifled barrel, an out-of-balance bullet or its having nicked an impediment such as a blade of grass, in flight.
A trigger that can be easily adjusted by the user. Adjustable triggers are common on specialized target-shooting firearms.
Hearing protection that completely covers both ears and is usually attached to a headband.
Recoil operation is an operating mechanism used in locked-breech, autoloading firearms. As the name implies, these actions use the force of recoil to provide energy to cycle the action.
A small hinged or sliding door covering the ejection port of a firearm to prevent detritus from clogging the works.
A malfunction which locks up the gun so badly that tools are required in order to fix it. Sometimes used to denote a simple malfunction,
but many people make a distinction between a complete jam and a simple malfunction.
The recoil spring is the powerful spring that cushions the slide in its rearward travel and then sends the slide forward again with enough force to drive the fresh round firmly into the chamber.
The strength of the recoil spring is calibrated to run the slide without any outside assistance.
A type of airgun that shoots spherical non-metallic pellets.
On a pump-action firearm, being too gentle with the fore-end and either not pulling it all the way back at the beginning of the stroke,
or not shoving it all the way forward at the end of the stroke. Which may result in the old case or shell failing to eject and a misfeeds, or the gun
will not fire when the trigger is pulled. The term is used most often to refer to pump-action shotguns, but it is possible to similarly short-stroke any type of
firearm which requires the user to manually cycle the action (lever action rifles, for example).
The condition of a cartridge not firing when an attempt to fire it is made.
It can be caused by either a defective cartridge or a defective firearm.
The term is frequently misused to indicate a Negligent Discharge of a firearm.
A moon clip is a ring-shaped or star-shaped piece of metal designed to hold multiple cartridges together as a unit, for simultaneous insertion and extraction from a revolver cylinder.
Unlike a speedloader, a moon clip remains in place during firing, and after firing, is used to extract the empty cartridge cases.
Abbreviation for Close Quarters Combat.
A flashbang holster is a type of holster for women that allows the firearm to sit horizontally tucked under the bra band.
As the gun is pulled straight down, the clamshell opens up and permits the wearer to draw.
It is named a flashbang because the wearer hash to pull up their shirt (flash) to draw the gun out of the holster, then shoot (bang).
These holsters have become very popular with women that conceal carry since the firearms is neatly hidden under the breast line in clothing
and does not require the wearer to stay latched onto a purse or have to deal with the inconviences that come with inside the waist band carry
A firearm's ability to be fired fully automatically, semi-automatically or, in some cases, in burst-fire mode at the option of the firer.
A type of mechanism for removing a spent shell casing from the chamber of a firearm and inserting a fresh cartridge into the chamber.
This type of mechanism is most commonly used in shotguns and rimfire rifles.
A firearm is said to be "zeroed in" when its sights have been adjusted so that the bullet will hit the center of the target
when the sights are properly aligned upon the center of the target. The farthest distance from a firearm at which the bullet's path and the point of aim coincide.
This term is also used to mean the process of insuring that the sights of a firearm are properly aligned so that where they
indicate the bullet will strike is in fact where it strikes.
The bottom of the butt-end of a gun stock.
Dummy cartridges with spring-loaded "primers" used to test the mechanical functioning of a firearm, particularly the trigger
pulls, hammer-fall and ejector-timing of a break-open gun. It is not advisable to dry-fire a break-open gun on an empty chamber.
Hardened steel parts can shatter without the soft brass primer to act as a shock absorber. Snap caps cushion the blow of the hammer and
firing-pin when the use of a live cartridge would be impractical.
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