The Definition of Self-Opening
Attribute of a break-open gun whereby the barrels drop down simply by pressing the toplever without muscling them
open manually. The Holland & Holland system utilizes a coil spring within a cylindrical housing mounted just ahead of the forward lump to urge the barrels open.
The Purdey system utilizes residual energy remaining in the mainspring after the gun has been fired.
Both systems enable a shooter to load more quickly when birds are coming fast.
19 Other Firearms Definitions You Need To Know
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.
The National Rifle Association. This organization coordinates shooting events on a national level, provides firearms training to civilians and law enforcement,
fights restrictive firearms legislation and supports the constitutional right of law abiding citizens to own and carry firearms.
To shoot while standing and without bracing against anything. Sometimes it can also mean to shoot with your non-dominant hand.
The single projectile expelled from a gun. It is not the same as a cartridge, the cartridge is complete package,
which includes the case, primer, powder, and bullet, which is called or a round. Bullets can be of many materials, shapes,
weights and constructions such as solid lead, lead with a jacket of harder metal, round-nosed, flat-nosed, hollow-pointed, etc.
A specialized firearm used underwater that is fired when in direct contact with the target.
A shooting position in which one or both knees are touching the ground, but the shooter is otherwise erect.
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
Markings impressed into the base of a cartridge case, normally identifying the maker's name, the cartridge calibre designation, and sometimes the date.
Firearms designed to be carried and used by an individual or individuals.
There are two basic variants of the Isosceles stance, the
Traditional Isosceles and
Modern Isosceles stance.
In both Isosceles stances, the feet parallel pointing toward the target and are roughly shoulder width apart.
Both arms are stretched almost equally forward with the gun centered forward, creating the triangular shape which gives the stance its name.
A bore snake is a tool used to clean the inside (bore) of the barrel of a gun. It resembles a short section of rope with a smaller,
weighted cord attached to one end to help feed the bore snake through the barrel. A bore snake often has one or more integrated brushes to help clean the barrel,
and may also be used to apply lubricant. It is an alternative to using a cleaning rod and patches to clean the barrel of a gun.
Bore snakes are made in different sizes for different calibers and gauges of guns.
A person who can shoot up to the mechanical capability of their weapon.
The accumulation of unwanted material on solid surfaces. The fouling material can consist of either powder, lubrication residue, or bullet material such as lead or copper.
An action type that when the trigger is pulled, the only thing the trigger does is drop the hammer (or striker).
This applies to both revolvers, semi-automatic and automatic guns.
On a single action revolver, the gun must be manually cocked before it can be fired.
With semi-automatic and automatic guns that are single action, the only thing the trigger does is drop the hammer, striker or firing pin onto the cartridge.
Then the firearm is cocked again when from the recoil of the fired round.
A firearm that the gun is cocked and the hammer drops when the trigger is pulled is a double action gun.
The use of an electric current to fire a cartridge, instead of a percussion cap. In an electronic-fired firearm an electric current
is used instead to ignite the propellant, which fires the cartridge as soon as the trigger is pulled.
The term referring to the action of manually drawing the hammer back against its spring until it becomes latched against the sear,
or sometimes the trigger itself, arming the hammer to be released by a subsequent pull of the trigger. Some external hammers, and all internal hammers,
may be cocked simply by pulling the trigger
Abbreviation for Course of Fire.