The Definition of Ammunition
The "packaged" components that are needed in order to fire in a case or shell holding a primer,
(which produces the spark) a charge of propellant (gunpowder) and a projectile (bullets, slug or pellets.)
Sometimes called "fixed ammunition" to differentiate from the individual components placed separately in muzzleloaders.
A single unit of ammunition in modern firearms is called a cartridge. The units of measure for quantity of ammunition is rounds.
There are hundreds of sizes of ammunition, examples include .223 Remington, 9mm Luger, 30.06, .308 Winchester,
.300 Winchester Magnum, and .50 Browning Machine Gun (BMG). The ammunition used must match the firearm.
19 Other Firearms Definitions You Need To Know
Two firearms that are manufactured identical in every way and are sequentially serial numbered and are sold as a set.
The most common type of matched pair guns are cowboy style revolvers for a couple of reasons, both guns will feel exactly the same in the hands and they make the set more collectable.
A device used (usually set on a counter) to support a shooters arms and/or hands to help make steadier shots.
A device used to load magazines or revolver cylinders quicker than by hand.
A needle like metal part of a modern firearm that gives a vigorous strike to the primer initiating the firing of the cartridge.
A type of internal safety that prevents the firing pin from moving forward for any reason unless the trigger is pulled.
A shotgun, often with only a single relatively-long barrel, with relatively tight choke boring and a relatively high-combed stock used for shooting clay pigeons in the game of Trap,
where the birds are launched at least 16 yards ahead, usually rising and going away from the shooter at relatively low angular velocity.
To better absorb recoil, a trap gun is normally heavier than a field gun because one shoots a lot but walks only a little.
A measure of projectiles ability to overcome air resistance in flight.
It is inversely proportional to the deceleration—a high number indicates a low deceleration.
Ballistic Coefficient (abbreviated as BC) is a function of mass, diameter, and drag coefficient. In bullets it refers to the amount that drop over distance and wind drift will affect the bullet.
A rifle front sight with a extra-large, folding bead. Typically, in addition to the normal fine bead (which allows for more precision) the larger bead,
while at a cost of potential accuracy, is more readily acquired in marginal light. Also called a Gloaming sight
The device that aids the eye in aiming the barrel of a firearm in the proper direction to hit a target.They can be a mechanical, optical,
or electronic device. Iron sights or sometimes as open sights, consist of specially-shaped pieces of metal placed at each end of the barrel.
The sight closest to the muzzle end of the gun is called the front sight,
while the one farthest from the muzzle (and nearest to the shooter) is called the rear sight.
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.
The single projectile expelled from a gun. It is not the same as a cartridge, the cartridge is complete package,
which includes the case, primer, powder, and bullet, which is called or a round. Bullets can be of many materials, shapes,
weights and constructions such as solid lead, lead with a jacket of harder metal, round-nosed, flat-nosed, hollow-pointed, etc.
The measurement from one side of the bore to the other. In a rifled barrel this means measurement of the bore before the rifling grooves are cut.
A gun with more than one barrel, the most common being the double-barreled shotgun.
Short, interchangeable cylinders, of
subtly different internal tapers, that screw into a threaded recess at the muzzle of a
shotgun. By inserting different choke tubes, one can alter the shot pattern thrown by the
In the Traditional Isosceles
Both arms are stretched almost equally forward with the gun centered forward.
The knees are straight or only slightly flexed, and the entire body is upright and parallel to the target.
This is an acceptable range stance provided recoil control is not an issue and you don't need to make rapid follow-up shots.
However, if you are practicing for self-defense, you will probably want to use the Modern Isosceles stance stance instead.
Not really a gun at all. During the U.S. Civil War,
both sides would take tree branches or tree trunks, paint them black, and position them so that they appeared to be rifles or artillery pieces.
By doing so, they could fool the other side into believing that they had more artillery than they really did.
The housing for a firearm's breech (portion of the barrel with chamber into which a cartridge or projectile is loaded) and firing mechanism.
In semi-automatic handguns and revolvers, this part is typically called the frame.
The tendency of a bullet to tip in flight and hit a target sideways, leaving a distinctly oblong hole.
This destabilization of the spinning bullet in flight is typically caused by a bullet weight inappropriate
for the rate of twist of the rifled barrel, an out-of-balance bullet or its having nicked an impediment such as a blade of grass, in flight.
In a shotgun barrel, A tapered area a few inches from the breech end, providing a transition between the chamber
(approximately the diameter of the outside of a shotgun shell) to the bore proper (approximately the diameter of the inside of a shotgun shell).
The forcing cone provides the transition between the exterior and the interior diameters of the cartridge.
Older shotguns usually have more abrupt forcing cones suitable for then-current thick-walled paper shells with fibre wads.
Newer shotguns usually have more gradual, longer forcing cones suitable for thinner modern plastic shells with obturating plastic shot-cup wads.
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