Letter D

The Definition of Dud

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Dud

A round of ammunition that does not fire.


19 Other Firearms Definitions You Need To Know


Bottlenecked (Bottle Necked)

A type of cartridge whose bullet diameter is substantially less than the body diameter of the casing.

Ejector Star

On a revolver, the collective ejector, manually operated through the center of an opened cylinder, when activated, clears all chambers at once.

Parallax

This occurs in telescopic sights when the primary image of the objective lens does not coincide with the reticle.Telescopic sights often have parallax adjustments to minimize this effect.

Deringer

The original small single-shot or multi-barreled pocket pistol designed and manufactured by Henry Deringer of Philadelphia. Derringers (spelled with two Rs) are called that because of the original desinger and anmufactuturer of that type of gun, Henry Deringer. To get around copyright infringment other designers and manufacturers spell the name with two Rs. However guns designed and built by Deringer are spelled with only one R

X-Frame

The frame designation that Smith and Wesson uses for their extra large framed revolvers like the S&W Model 500 and S&W 460XVR

Assault Rifle

Assault Rifles and Assault Weapons do not exist. The terms Assault Rifle and Assault Weapon are made up terms by the anti-gun lobby to describe black rifles with forward grips that you might see in the movies like an AR-15 or an AK-47. Assault Rifles do not exist because a gun cannot assault anything, they are machines that need to be operated by a person.

Clearing

Unloading a gun and double checking that it is unloaded or fixing a malfunction so that the gun is ready to fire again.

COL

Abbreviation for Cartridge Overall Length.

Frontstrap

Front, metal, part of a handgun's grip, which together with the backstrap, provides a mounting frame for the grip panels.

Underhammer

A type of lock in which the hammer pivots in a vertical arc, striking the nipple on the underside of the barrel. Since the nipple's flash channel goes straight into the powder at the breech end of the barrel, ignition time is very fast. For this reason, and because it gets the hammer out of the way, underhammer locks are commonly used on muzzleloading benchrest rifles which are used for target shooting, and where accuracy is the goal.

VCCLEA

Violent Crime Control and Law Enforcement Act of 1994. It is an act of Congress dealing with crime and law enforcement that became law in 1994. Of the sections of the bill, it included the Federal Assault Weapons Ban.

Polygonal Rifling

A type of gun barrel rifling where the traditional lands and grooves are replaced by "hills and valleys" in a rounded polygonal pattern, usually a hexagon or octagon. Polygons with a larger number of edges provide a better gas seal in relatively large diameter polygonally rifled bores.

Negligent Discharge

The unplanned discharge of a firearm caused by a failure to observe the basic safety rules, not a mechanical failure of the gun.

Hair Trigger

A trigger that breaks from an extremely light touch.

Inertia Firing Pin

A firing pin which moves freely forward and backward in the breechblock.

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.

Flashbang (holster)

A flashbang holster is a type of holster for women that allows the firearm to sit horizontally tucked under the bra band. As the gun is pulled straight down, the clamshell opens up and permits the wearer to draw. It is named a flashbang because the wearer hash to pull up their shirt (flash) to draw the gun out of the holster, then shoot (bang). These holsters have become very popular with women that conceal carry since the firearms is neatly hidden under the breast line in clothing and does not require the wearer to stay latched onto a purse or have to deal with the inconviences that come with inside the waist band carry

Inletting

The process of carving out recesses in wooden stocks with precision, using gouges, chisels and scrapers to accept the steel components of a firearm.

Sniper

A military person designated as a special marksman who is used to shoot designated targets of opportunity at long range.

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