The Definition of Cant
To tilt a gun to one side or the other,
complicating sighting considerably. Can cause material loss of accuracy,
particularly with a rifle at longer ranges. Some better long range target rifles
are equipped with Spirit Level sights
to help control canting.
19 Other Firearms Definitions You Need To Know
Fouling of a firearm bore by metal particles from bullets adhering to the metal surface caused by heat or friction.
A condition (status) of a shooting range that shooters may commence to fire.
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.
A hollow, piece of metal (or plastic in the case of a shotgun shell) that is closed on one end except for a small hole which holds a primer.
The open end holds the bullet. The hollow portion holds the powder.
Together the assembled unit is called a cartridge.
A middle position for an external hammer that effectively provides a safety function. With a firearm with non-rebounding hammers,
when on half-cock, the firing pin will not rest on the firing-pin.
A matrix of dots, posts or lines, visible inside a rifle's telescopic sight, normally adjustable via exterior knobs for windage and elevation.
After careful adjustment at a known range, the shooter aims the rifle by superimposing this matrix onto the target. With good estimation or range,
cooperation from the wind, a clear eye and a steady hand, he may have a reasonable expectation of hitting his target.
A type of firearm in which the action is closed, with a cartridge in the chamber prior to firing. When the trigger is pressed the cartridge is fired,
and the action cycles loading another cartridge into chamber and when firing is stopped the bolt remains closed and the chamber remains loaded.
The earliest type of gun, now also popular as modern-made replicas, in which blackpowder and projectile(s) are
separately loaded in through the muzzle. The term is often applied to cap-and-ball revolvers where the loading is
done not actually through the muzzle but through the open ends of the cylinder's chambers.
A type of firearm in which the action is in the open position and the chamber empty prior to firing.
When the trigger is pressed the bolt moves forward, chambering a cartridge and firing it and returning
to the open position. When firing is stopped the bolt remains open and the chamber empty.
Short for the word Ambidextrous. Meaning that a feature of a firearms can be used by either hand, for example ambi-safety, ambi slide catch or ambi mag release.
A built in lock that may prevent the firearm from being fired.
The amount of work done by a bullet, expressed in foot pounds.
A firearm, usually (but not always) a fully automatic rifle, that uses a ammunition on a belt rather than a magazine to store the rounds that will be loaded into the gun.
A firearm with a coil-spring-actuated firing pin, or with its hammer enclosed inside the action body; i.e.. no externally visible hammer.
A self-loading firearm whose breechblock and barrel are not positively locked together, but which incorporates a mechanism which initially restricts the breechblock from moving when fired, delaying its opening.
A type of steel round shot fired from air rifles. The name originated from the size of steel balls used in a shotgun of the same size (.177 caliber). In a 12 guage shotgun shell using BB size shot, there will be typically 90 BBs in a shell
A firearm manufactured by someone who is not a regular maker of firearms.