Magazine Rifle.—A rifle provided with an interior magazine for containing cartridges, and so made that they are passed automatically into a chamber ready for firing.
Mainspring.—The large spring in the gun-lock which imparts action and power to the hammer.
Monocular Vision.—Seeing with only one eye. When one eye is closed, as some do in taking sight with a gun, it is a case of monocular vision.
Mould.—An implement for moulding bullets. The plural form is generally given to it, as bullet moulds.
Musket.—A form of gun, smooth bored and formerly used for military purposes. When grooves are cut in the interior of the barrel, it is called a rifle.
Nipple.—In a percussion-lock gun, the tube upon which the cap is placed. In the central-fire breech-loader, the tube through the standing breech in which the striker or plunger works.
Nipple Wrench.—An implement used for screwing the nipples into position or out. It is often called a tube-wrench.
Oblique Fire.—Indicates that the plungers of a breech-loader lie and strike the ignition obliquely.
Pan.—A small pan-like outside on the flint-lock, which holds the priming, and in which the latter is ignited by a spark from the flint striking the frizzen.