The Definition of Primer
A small metal cup that contains a tiny explosive charge that is sensitive to impact.
A primer is placed in the base of a shell casing to ignite the powder of the completed cartridge.
It is detonated by the striking of a firing pin in the firearm.
19 Other Firearms Definitions You Need To Know
The area inside the bore nearest to the muzzle.
A device used to load magazines or revolver cylinders quicker than by hand.
An external, manual safety which is typically disengaged with the firing-hand thumb.
Usually a circular or oval band of metal, horn or plastic that goes around the trigger to provide both protection and safety in shooting circumstances.
The shooter's finger should never be within the trigger guard unless the sights are on target and the shooter has made the decision to fire.
How the shooter positions her body while shooting. The three most widely used handgun stances are
A hinged plate covering the bottom of a rifle magazine and extending rearward on either side of the triggerguard.
This design allows it to be more securely fastened for one more imperceptible step towards total reliability.
The interchangeable surfaces that are installed on the part of the gun that you hold.
Users change grip panels to improve the look or feel of the firearm, or to personalize it so that the gun is more suited
to a different hand size. Some grip panels are chosen for function, while others are chosen for looks. Common grip-panel materials are wood, plastic, and rubber.
The housing for a firearm's breech (portion of the barrel with chamber into which a cartridge or projectile is loaded) and firing mechanism.
In semi-automatic handguns and revolvers, this part is typically called the frame.
Firearms which are of special interest to collectors by reason of some quality
other than is associated with firearms intended for sporting use or as offensive or
defensive weapons. To be recognized as curios or relics, firearms must fall within one of
the following categories:
A special Curios or Relics license is available from the BATF, which allows collectors to buy eligible firearms in interstate commerce.
- Firearms which were manufactured at least 50 years prior to the current date, but not
including replicas thereof;
- Firearms which are certified by the curator of a municipal, State, or Federal museum
which exhibits firearms to be curios or relics of museum interest; and
- Any other firearms which derive a substantial part of their monetary value from the fact
that they are novel, rare, bizarre, or because of their association with some historical
figure, period, or event. Proof of qualification of a particular firearm under this
category may be established by evidence of present value and evidence that like firearms
are not available except as collector's items, or that the value of like firearms
available in ordinary channels is substantially less.
To hit someone with the grip of a pistol.
A small orifice at the breech end of the barrel of a muzzle-loading firearm through which the exploding priming charge is conducted from the flash pan to the main charge.
An unexpected delay between the triggering of a firearm and the ignition of the propellant.
This failure was common in firearm actions that relied on open primer pans, due to the poor or inconsistent quality of the powder.
Modern weapons are susceptible, particularly if the ammunition has been stored in an environment outside of the design specifications.
Reloaded ammunition may also be the cause if not reloaded properly
The angle of the butt of a gun in relation to the line of sight.
Pitch is measured by resting the gun with its butt flat on a floor, the top of the receiver against a wall and its muzzle pointing up.
The distance of the muzzle from the wall is the gun's pitch down.
A clip IS NOT a magazine. A clip is used to load a magazine.
A clip is a simple, disposable narrow spring-lined channel-rail
that is used to store multiple rounds of ammunition together as a unit, ready for insertion into the magazine of a repeating firearm.
This speeds up the process of loading and reloading the firearm as several rounds can be loaded at once, rather than one round being loaded at a time.
The term clip commonly refers to a firearm magazine, though this usage is absolutely completely totaly 100% incorrect.
In the correct usage, a clip is used to feed a magazine or revolving cylinder,
while a magazine or a belt is used to load cartridges into the chamber of a firearm.
in which cartridges are supplied for military weapons. The shooter positions the clip
vertically above the firearm's magazine, then pressing down with the thumb,
slides the cartridges from the clip and down into the magazine.
Unloading a gun and double checking that it is unloaded or fixing a malfunction so that the gun is ready to fire again.
The cartridge for a shotgun. It is also called a "shell," and its body is usually made of plastic (metal shotgun shells are very rare, paper shotgun shells are extinct)
with a metal head.
Small shotshells are also made for rifles and handguns and are often used for vermin control.
A trigger that breaks from an extremely light touch.
A type of internal hammer side by side shotgun boxlock action.
It was patented in 1875 and is the essence of simplicity utilizing only two springs and three moving parts (per barrel).
One of the most successful action designs ever, and still produced to this day by most SxS shotgun manufacturers.
A set of holes in a target left by a succession of bullets fired from the same rifle or handgun,
using the same ammunition and sight setting. Fired (within the limits of one's marksmanship ability)
to determine the inherent accuracy of the rifle/ammunition combination,
and to aid in the proper adjustment of the sights.