A mechanical device that enables the user to selectively enable or disable the magazine feed mechanism of a firearm.
Letter: M
MAGAZINE FED
A repeating firearm in which the ammunition for subsequent firing is fed from a magazine.
MAGAZINE FOLLOWER
A spring-actuated device to move cartridges in a magazine into the feeding position.
MAGAZINE PLUG
1. A part inserted in a magazine to reduce its capacity. 2. A part in the end of a tubular magazine which closes the end and retains the spring.
MAGAZINE SPRING
The spring in a magazine that exerts its thrust against the follower.
MAGNUM
A non-technical term commonly used to imply higher performance than standard cartridges or shells of a given caliber, or gauge or similar cartridges. Rifles, handguns or shotguns that are designed to fire Magnum cartridges or shells may also be described with the term Magnum.
MAINSPRING
The mechanical, energy storage device that operates the striker or hammer of a firearm.
MALFUNCTION
Failure of a firearm to perform properly due either to the firearm or the ammunition.
MANNLICHER MAGAZINE
A type of rotary magazine.
MANNLICHER STOCK
A full length rifle stock which extends from the butt to the muzzle.