The Definition of Laser Sight
A laser sight is an alternative sighting device which enables the shooter to quickly and accurately see where the firearm is aimed even
when lighting or other conditions prevent using the gun's normal sights. Lasers may be located within the grips,
hung from accessory rails at the front end of the gun, or placed within the firearm.
19 Other Firearms Definitions You Need To Know
Crude adjustments made to an optical firearm sight, or iron sights, to align the firearm barrel and sights.
This method is usually used to pre-align the sights, which makes zeroing (zero drop at XX distance) much faster.
A condition on a shooting range that is completely safe. Any firearms at the range are on the benches, unloaded with open actions and all people have stepped away from the firing line.
An imaginary straight line from the eye through the sights of a firearm to the target.
An opening. The ejection port is the opening in the side of a semi-auto from which spent cases are ejected.
A slang term for a small inexpensive handgun. Saturday night specials have been defined as compact, inexpensive,
small-caliber handguns with perceived low quality; however, there is no official definition of "Saturday night special" under federal law,
though some states define "Saturday night specials" or "junk guns" by means of composition or materials strength.
Low cost and high availability make these weapons attractive to many buyers despite their shortcomings.
The distance from the front trigger of a shotgun to the centre of the butt.
An established place where firearms and ammunition are stored, repaired, or manufactured.
The term is misused by the media to mean more than one firearm or any quantity of ammunition, as in "they found an arsenal."
A heat-treating process that incorporates carbon into the surface molecular
structure of the steel, providing a hard-wearing surface without making the entire
receiver brittle. The parts to be casehardened are packed in a crucible with
carbon-rich media such as bone meal and charcoal, heated to bright orange, about
1800°F, then quenched in bubbling oil. Also
A spring-loaded hinged front trigger on a dual trigger side by side or over under shotgun, built to cushion its impact on one's trigger finger as the gun recoils when the rear trigger is pulled.
Slang for a full metal jacket bullet with a round nose.
The term is most commonly used in referring to .45 ACP caliber ammunition, but may be used for other calibers as well.
The sliding metal dowel located at the muzzle end of a revolver cylinder.
After firing, the shooter opens the cylinder and depresses the front end of the ejection rod, which forces the empty cases out of the cylinder.
Abbreviation for 'Bad Guy'
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 sub-field of ballistics, is the study of the behavior of a projectile when it hits its target.
A self-loading firearm whose breechblock and barrel are not positively locked together, but which incorporates a mechanism which initially restricts the breechblock from moving when fired, delaying its opening.
A description of a bullet whose forward diameter has expanded after penetration.
A shotgun, generally stocked to shoot where it is pointed and of relatively light weight because one often carries it a great distance for upland birds,
the consequent recoil not being an important factor because one actually shoots it very little.
A generally non-magnifying optical device that has an optically collimated reticle,
allowing the user to look through a partially reflecting glass element and see a parallax free cross hair or other projected aiming point
superimposed on the field of view.
Invented in 1900 but not generally used on firearms until reliably illuminated versions were invented in the late 1970s
(usually referred to by the abbreviation "reflex sight").
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