The Definition of Picatinny Rail
A metal bar, available in a variety of lengths, with a continuous row of Weaver-like scope mount base slots, which when attached to a firearm,
allow convenient attachment of a variety of sights, lights, slings, bipods and other accessories designed to fit this standard system.
19 Other Firearms Definitions You Need To Know
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.
The NRA teaches the Three Basic Rules of Safe Gun Handling.
There are additional rules, but these are the three that if any two are followed, nobody will be hurt. However, obviously, all three should
always be followed.
Rule One: ALWAYS keep the gun pointed in a safe direction.
The NRA established these three rules in 1871. They were created to be easy to understand and remember,
ensuring the highest possible level of firearm safety.
Rule Two: ALWAYS keep your finger off the trigger until ready to shoot.
Rule Three: ALWAYS keep the gun unloaded until ready to use.
See also The Four Rules
Gun Control Act of 1968.
It is a U.S. federal law that regulates the firearms industry and firearms owners. It primarily focuses on regulating interstate commerce in firearms by
generally prohibiting interstate firearms transfers except among licensed manufacturers, dealers and importers.
It also prohibits all convicted felons, drug users and the mentally ill from buying guns amd raised the age to purchase handguns from a federally licensed dealer to 21.
Abbreviation for Cartridge Overall Length.
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).
In the rifling of a bore, the uncut portions of the barrel's inner surface left after the rifling grooves have been cut into the metal. In other words, the raised portion of rifling.
Brady Handgun Violence Prevention Act of 1993.
The Brady Handgun Violence Prevention Act of 1993 mandates background checks of gun buyers in order to prevent sales to people prohibited under the Gun Control Act of 1968 legislation.
Requires checks to be performed through the FBI's National Instant Criminal Background Check System (NICS).
Records of who has been checked are not preserved because federal law prohibits the creation of a national registry of gun ownership.
Sales by unlicensed private sellers who are not engaged in gun dealing as a business are not subject to the checks under federal law, though they are required by some states.
Any gun that can be used in a sport.
A wildcat cartridge that is created by straightening out the sides of an existing case and making a sharper shoulder to maximize powder space.
Frequently the neck length and shoulder position are altered as well. The caliber is NOT changed in the process.
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.
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.
Abbreviation for Short Magazine Lee Enfield. The standard British Army rifle from around 1895 to 1957.
A barrel without rifling. Smooth bore barrels are commonly used in shotguns and in large bore artillery that fire fin stabilized projectiles.
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.
This means a shooter who is right-handed but left-eyed, or left-handed and right-eyed.
The open end of the barrel from which the projectile exits.