The Definition of Zero
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.
19 Other Firearms Definitions You Need To Know
In any mechanism, a small lever that engages a notch to actuate movement in one direction only.
Specifically, a small spring-loaded lever attached to the hammer of a revolver which actuates the cylinder to advance one
increment and move the next chamber into battery as the hammer is cocked.
The arc described by a projectile (or a load of shot) after it exits the muzzle of a firearm. Falling objects accelerate downwards at a rate of 32 feet per second, per second.
The faster a projectile travels, the greater the distance it can cover in a given time before dropping too far. Hence, the higher the velocity of a bullet, the flatter the trajectory it will achieve.
Abbreviation for 'Back Up Gun'
The tunnel down the barrel of a firearm through which the projectiles travel.
- A smooth-bore firearm is one that does not have rifling on the barrel's internal surface.
- A big-bore firearm is one that fires a large caliber.
- A small-bore firearm is one that fires a small caliber.
Abbreviation for Concealed Firearms License.
Any safety, internal or external, which functions apart from the shooter's conscious control. Grip safeties are one example of a passive external safety.
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 hollow, piece of metal (or plastic in the case of a shotgun shell) that is closed on one end except for a small hole which holds a primer.
The open end holds the bullet. The hollow portion holds the powder.
Together the assembled unit is called a cartridge.
Abbreviation for Concealed Firearms Permit.
A shoulder-fired long gun which has a rifled barrel.
The farthest distance that a target of a given size can be hit without holding over or under with the sights.
The exact range is determined by the performance of the cartridge used, the ZERO range, and the accepted size of the target area.
This term is not to be confused with point blank shooting.
An air gun that shoots a skirted pellet.
Shooting a target at a very very close range.
Assault Rifles and Assault Weapons do not exist. The terms Assault Rifle and Assault Weapon are made up terms by the anti-gun lobby to describe
black rifles with forward grips that you might see in the movies like an AR-15 or an AK-47.
Assault Rifles do not exist because a gun cannot assault anything, they are machines that need to be operated by a person.
Common term for federally restricted "short-barreled shotgun (rifle)" as with a conventional shotgun with barrel less than 18" (rifle less than 16") or overall length less than 26.
AK stands for Avtomat Kalashnikova (Kalashnikov rifle when translated into English).
When someone says "an AK" they are usually referring to the AK-47 rifle which was originally designed in Russia by Mikhail Kalashnikov.
The spotter is a helper who gives the shooter guidance on how to hit a particular target.
In some cases the spotter may just report the location of the bullet impact. In other cases they may judge the speed and direction of
the wind, determine the range, and give the shooter the settings to be used on the sights.
Sometimes also known as a
slide release or
On a semi-autmatic gun, the lever or catch that holds the slide open (after the last round is fired or when racking an empty gun).
Typically they are located on the left side of the frame about mide barrel. Some of the newer semi-automatic pistols have an
internal slide lock. Even though on pistols with an external slide catch, you can push down on the lever to release the slide,
it should never be used in such a manner. The proper way to release the slide is to rack the slide.
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