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Letter CThe Definition of Caliber
Caliber
The diameter of the bore of a firearm measured as a fraction of an inch.
Although such a measurement may be frequently stated in millimeters.
It is correctly expressed as ".40 caliber" (note the decimal point) or as "10 millimeter"
(without "caliber" or the leading decimal point). Caliber numbers when used to identify the size of the
bullet a gun will file are usually followed by words or letters to create the complete name of the cartridge.
These letters often represent a brand name or an abbreviation for the name of the company that first introduced the round.
19 Other Firearms Definitions You Need To Know
A firearm designed to fire a single cartridge, eject the empty case and reload the chamber each time the trigger is pulled.
It uses the energy from the fired shot to eject the empty case and feed the next round into the chamber.
Typically used in the .22 caliber cartridge designation .22 Long Rifle, which is abbreviated .22LR.
Nickname for the U.S. M1841 Rifle, a .54 caliber muzzleloading rifle. The name comes from their use by a group of U.S.
Volunteers from Mississippi who were commanded by Jefferson Davis in the Mexican War. Some were later rebored to .58 caliber.
A rifle projectile made with the tip of the bullet open as a means of increasing accuracy as
compared to standard military bullets that are made with a closed tip and an open base.
The are not designed to expand like a hollow point bullet but may fragment.
The amount of rearward force exerted by the propellant gases on the bolt or breech of a firearm action or breech when a projectile is fired.
The applied force has both magnitude and direction, making it a vector quantity.
A firearm that has had numerous careful machining cuts
taken in its exterior with a view to exposing and demonstrating the functioning
of critical parts of its mechanism
The chemical propellant which is burned to produce the hot gases which send the projectile flying downrange.
The point where the projectile from a firearm hits.
The accumulation of unwanted material on solid surfaces. The fouling material can consist of either powder, lubrication residue, or bullet material such as lead or copper.
An air gun that shoots a skirted pellet.
Also known as peep sights, range from the ghost ring sight, whose thin ring blurs to near invisibility (hence ghost), to target aperture sights that use large disks or other occluders with pinhole-sized apertures. In general, the thicker the ring, the more precise the sight, and the thinner the ring, the faster the sight.
The firing mechanism of a break-open gun which may be removed for inspection or cleaning without the use of tools.
The release latch may be plainly visible or concealed. A feature typically seen on sidelock guns but also on the Westley Richards "droplock" boxlock action.
A gun, typically artillery, with four barrels, such as the ZPU
Rifling that is formed by pulling a die made with reverse image of the rifling (the 'button') down the pre-drilled bore of a firearm barrel.
The National Rifle Association. This organization coordinates shooting events on a national level, provides firearms training to civilians and law enforcement,
fights restrictive firearms legislation and supports the constitutional right of law abiding citizens to own and carry firearms.
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