The Definition of Bluing
Also spelled blueing.
A passivation process in which steel is partially protected against rust, and is named after the blue-black appearance of the resulting protective finish.
True gun bluing is an electrochemical conversion coating resulting from an oxidizing chemical reaction with iron on the surface selectively forming magnetite
(Fe3O4), the black oxide of iron, which occupies the same volume as metallic iron. Bluing is most commonly used by gun manufacturers, gunsmiths and gun
owners to improve the cosmetic appearance of, and provide a measure of corrosion resistance to, their firearms.
19 Other Firearms Definitions You Need To Know
Abbreviation for Concealed Carry Permit.
A round of ammunition that does not fire.
Common term for federally restricted "short-barreled shotgun (rifle)" as with a conventional shotgun with barrel less than 18" (rifle less than 16") or overall length less than 26.
Unloading a gun and double checking that it is unloaded or fixing a malfunction so that the gun is ready to fire again.
Is that combination of caliber, barrel length, bullet weight, and case volume which does not
allow the complete burning of the charge of ballistically correct powder within the volume of case and barrel.
An oversized, lightweight housing that allows a sub-calibre projectile to be fired in a larger-diameter bore, usually in the interest of increased velocity.
The sabot falls away from the actual projectile upon exiting the muzzle.
For example, a hunter could use his .30-30 deer rifle to shoot small game with .22 centerfire bullets.
A material added to an explosive to slow its burning rate.
Something that will prevent or hinder something from happening.
A flat piece of rubber which holds revolver cartridges preparatory to loading them into the revolver's cylinder. Similar to a moon clip
The entire process of making the trigger complete its journey past the trigger break.
A floppy, limp wrist while shooting.
A small metal explosive-filled cup which is placed over the nipple of a percussion firearm. As the cap is struck by the hammer, it explodes and sends a flame through the flashhole in the nipple to the main powder charge.
A small lever mounted to the cocking piece of a Winchester Model 70 rifle, rotating on a vertical axis from front (Fire),
halfway back (Safe, but allowing bolt movement), and fully back (Bolt and firing pin locked Safe).
While, like the Mauser, commendable for locking the firing pin instead of just the trigger,
its fore and aft movement is both easier to operate and it allows lower mounting of telescopic sights,
reducing parallax between the line of sight and the line of the bore and increasing the range of
distances for which the scope may be reliably sighted-in.
A piece of tooling used to form a sequence of uniform parts through the use of heat and/or pressure; especially, in firearms terminology used to form brass cartridge cases accurately to their correct size for reloading.
Improper term for a device that cuts down on the noise a firearm makes when it is shot. The correct term is suppressor. Silencers only exist in the movies.
A type of firearm action which uses a lever located around the trigger guard area,
(often including the trigger guard itself) to load fresh cartridges into the chamber of the barrel when the lever is worked.
A common type of iron sights in which the rear sight is an open-topped U or a V or a square-notch shape and with a
blade type front sight, in contrast to the closed circle commonly found in aperture sights.
The firing mechanism of a a muzzle-loading weapon. In breech-loading firearms, the lock is the firing mechanism and breech-sealing assembly.
An imaginary line which runs right down the center of the handgun's barrel and out though the back end of the gun.
A handgun may have a high bore axis, with the imaginary line running out into space well above the shooter's hand.
Or it may have a low bore axis, with the imaginary line running either straight through the shooter's hand or
just skimming the surface slightly above her hand. A high bore axis tends to create greater perceived recoil
and more muzzle flip when firing the gun than does a low bore axis.
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