MANNLICHER STOCK

A full length rifle stock which extends from the butt to the muzzle.

MANUAL SAFETY

A safety device on some firearms that must be manually engaged and subsequently disengaged to permit normal firing.

MARK

A term used in conjunction with a number to designate a specific model or type of firearm or ammunition.

MARKINGS

Words or symbols, stamped, rolled, cast or engraved, on a firearm designating the manufacturer, model, origin, caliber or gauge, choke, material, etc.

LOADING DENSITY

The relationship, in a cartridge, of the volume of the propellant to the available case volume. Usually expressed as a percentage.

LOADING GATE

1. Revolvers: A hinged piece attached to the frame which is opened to permit loading. 2. Shoulder Arms: A spring loaded cover for the loading port.

LOADING PORT

The opening in a receiver where a cartridge may be placed in the firearm either directly into the chamber or the magazine.

LOADING RAMP

A platform or cut placed in the bottom of the receiver that aids in guiding a cartridge into the chamber as the action is closed.

LOCK

1. A general term referring to the total firing mechanism in a firearm. 2. Range command sometimes used to indicate engagement of a manual safety (“Lock your firearms”). 3. An accessory intended to help secure a firearm from unauthorized use.

LOCK ENERGY

The amount of energy delivered to the primer from the firing-pin blow.