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Glossary
GLOSSARY / DICTIONARY
A B C D E F G H I J L M N O P R S T V W Z

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 Term Definition
Action Action is the term for the operating mechanism of a gun. It refers to the combination of moving parts that allow a shooter to load fire and unload a gun.  
Adjustable Sights Sights that allow vertical (elevation) and horizontal (windage) adjustments.  
Aperture The hole in a rear peep sight through which the shooter looks at the front sight and target.  
Autoloading An action of semi-automatic or self-loading operations.