The Definition of Trigger Guard
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.
19 Other Firearms Definitions You Need To Know
A rifle or carbine with a one-piece stock extending to the muzzle. Sometimes called a Mannlicher stock,
although such a term is confusing because Mannlicher Schoenauer rifles are built with both full and half stocks.
Traditional in Europe for close-range woodland hunting, but not noted for extreme, long-range accuracy.
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").
The amount of rearward force exerted by the propellant gases on the bolt or breech of a firearm action or breech when a projectile is fired.
The applied force has both magnitude and direction, making it a vector quantity.
The point at which you are aiming the firearm at.
The speed at which a projectile travels. Velocity is usually measured in feet per second or metres per second.
A horizontal wedge, press-fit through the forend of a vintage gun, through a lump
attached to the underside of the barrel and out the other side of the forend.
To secure the forend in position. Also called a crosspin or a wedge fastener.
Helical grooves in the barrel of a gun or firearm, which imparts a spin to a projectile around its long axis.
This spin serves to gyroscopically stabilize the projectile, improving its aerodynamic stability and accuracy.
The top of a gun's stock, where a shooter rests his cheek when mounting a gun.
As it is the top of the stock that determines the position of
one's eye, and one's eye is the rear sight on a shotgun, the position of the comb
is very important in determining the proper fit of a shotgun.
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.
The area of a gun range where firearms are pointed when they are fired. The area of the range forward of the firing line.
Circular steel fittings, about 1/2 inch in diameter, screwed into the breech face of a gun and through which the firing pins pass.
Firing pin bushings allow the convenient replacement of broken firing pins. They also allow the renewal of an older gun where, over the decades,
leakage of high-pressure gas from corrosive primers has eroded the breech face around the firing pins; and replacing these bushings with new ones,
slightly oversized can compensate for a situation where proper headspace has been compromised.
The substance which imparts movement to the projectile in a firearm. In a firearm, usually powder. In an airgun the propellant is air or Co2
A rapidly burning powder made by absorbing nitroglycerine into nitrocellulose (guncotton).
Sloppy movement (slack) of a trigger before the actual point of let-off.
Failure of a spent case to completely eject from a semi-automatic firearm. The case usually stands on end while lodged in the ejection port.
A type of lock in which the hammer pivots in a vertical arc, striking the nipple on the underside of the barrel.
Since the nipple's flash channel goes straight into the powder at the breech end of the barrel, ignition time is very fast.
For this reason, and because it gets the hammer out of the way, underhammer locks are commonly used on muzzleloading
benchrest rifles which are used for target shooting, and where accuracy is the goal.
The device that aids the eye in aiming the barrel of a firearm in the proper direction to hit a target.They can be a mechanical, optical,
or electronic device. Iron sights or sometimes as open sights, consist of specially-shaped pieces of metal placed at each end of the barrel.
The sight closest to the muzzle end of the gun is called the front sight,
while the one farthest from the muzzle (and nearest to the shooter) is called the rear sight.
How the shooter positions her body while shooting. The three most widely used handgun stances are
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