GLOSSARY / DICTIONARY
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
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TERM DEFINITION
  
Magazine
A spring-operated reservoir for cartridges for a repeating firearm; often removable.
Magazine Follower
A plate, mounted to the top of a spring, inside a magazine, over which cartridges may slide smoothly as they are fed into the chamber of a repeating firearm.
Magazine Safety
A device that prevents a gun from firing if the magazine has been removed.
Magnification
Magnification is the power rating of the scope, indicated by the symbol "X". A 10X (ten power) scope makes objects seem ten times closer than with the naked eye.
Magnum
A term indicating a relatively heavily loaded metallic cartridge or shotshell and, by extension, a gun safely constructed to fire it.
Mannlicher Stock
A term used to describe a Germanic-styled rifle or carbine with a stock extending all the way to the muzzle.
Match Grade
A higher quality item used to increase accuracy; generally used for competition in a match.
Mil
Angular change in aim that moves the point of impact of an artillery projectile one meter at a range of 1000 meters.
Minute of Angle (MOA)
A 1/60th part of a degree, the unit of measure used in adjusting rifle sights.
Monte Carlo Cheekpiece
"A cheek rest, built onto the side of a gunstock, which also extends upward to raise the comb of a stock,
Monte Carlo Comb
An elevated gunstock comb which drops to a normal height at the heel. Useful on rifle stocks to align the eye with a telescopic sight better, and on trap guns to raise the point of impact.
Muzzle
The end of a barrel, pointing towards the target, out of which the load is discharged.
Muzzle Brake
A fitting attached to the muzzle of a firearm, with a series of perforations designed to deflect some of the forward-rushing gasses and pull the firearm forward off the shoulder, reducing recoil.
Muzzleloader
A muzzleloader is any firearm into which the projectile and usually the propellant charge is loaded from the muzzle of the gun.