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Encyclopedia > Shotgun slug

A shotgun slug is a single projectile designed to be fired out of a shotgun. Many shotgun slugs are designed to be stable when fired from a smoothbore barrel, which lacks the rifling normally used to stabilize the projectile. The simplest shotgun slug is a round ball, which, since it is symmetric on all axes, will not significantly deviate from its path if it tumbles. Rifled slugs have what looks like rifling cast into the surface. This acts like fins to impart a spin on the slug as it exits the smooth barrel, and thus stabilizes the slug. Foster slugs are designed with a deep cup in the back, so that the center of mass is far foward and drag will tend to keep the slug moving point first. Many Foster slugs are also rifled; the forward mass of the slug helping keep it stable until the rifling begins to provide spin. A variation on the Foster design is the Brenneke slug, which uses a solid lead rifled projectile with an attached plastic, felt, or cellulose fiber wad that provides drag stabilization. Brenekke slugs are more suited for dangerous game, as the solid slug is less prone to deformation (see terminal ballistics). Saboted slugs are generally designed to be fired from a special rifled shotgun barrel. Saboted slugs are smaller than the bore diameter, and offer significant advantages in external ballistics with the reduced drag. Some shotgun slugs also use fins or a lightweight plastic portion in the rear to provide stability from smooth bores, and may be designed to work with or without sabots. Remington model 870 pump-action shotgun held by a Florida Highway Patrol cadet shotgun, see: Shotgun (disambiguation). ... Smoothbore refers to a firearm which does not have a rifled barrel. ... Rifling is the means by which a firearm gyroscopically stabilizes a projectile. ... axes is the plural of both axis and axe, and may thus be: Axe An axe is a tool with a metal blade fastened to a handle at 90 degrees, commonly used to split wood. ... The center of mass or center of inertia of an object is a point at which the objects mass can be assumed, for many purposes, to be concentrated. ... Terminal ballistics, a sub-field of ballistics, is the study of the behavior of a kinetic energy projectile when it hits its target. ... A sabot (French: shoe) is a device used in a firearm or cannon to fire a projectile or bullet that is smaller than the bore diameter. ... External ballistics is the part of ballistics that refers to the behavior of a bullet after it exits the barrel and before it hits the target. ...

Shotgun slugs intended for use in smoothbore barrels need to be made out of very soft lead alloys or have a compressible sabot, as they must be able to fit through the restrictive choke present in most shotgun barrels. Even so, it is not recommended to fire slugs through very constrictive chokes, as the effort of compressing the slug will eventually flare the end of the barrel, effectively reducing the degree of choke. General Name, Symbol, Number Lead, Pb, 82 Chemical series Poor metals Group, Period, Block 14(IVA), 6 , p Density, Hardness 11340 kg/m3, 1. ... Look up Choke in Wiktionary, the free dictionary In engineering, a choke is a device for restricting airflow. ...

Rifled barrels for shotguns are an unusual legal issue in the United States of America. Firearms with rifled barrels are designed to fire single projectiles, and a firearm that is designed to fire a single projectile with a diameter greater than .50 caliber (0.5 inch, or 12.7 mm) is considered a "destructive device" and as such is severely restricted. The BATFE has ruled that as long as the gun was designed to fire shot, and modified (by the user or the manufacturer) to fire single projectiles with the addition of a rifled barrel, then the firearm is still considered a shotgun and not a destructive device. Some firearms A firearm is a kinetic energy weapon that fires either a single or multiple projectiles propelled at high velocity by the gases produced by action of the rapid confined burning of a propellant. ... The Bureau of Alcohol, Tobacco, Firearms and Explosives (ATFE or BATFE) is a law enforcement agency within the United States Department of Justice. ...

  Results from FactBites:
The Shotgun (2245 words)
Shotguns are pretty limited on the number of shots they hold even though each shot does put out a lot of lead at one time.
The most accurate way to fire a dual grip shotgun like this is to hold and aim it like a bow, pulling apart by the grips and sighting down the barrel as you would pull the string away from the bow and sight down the arrow.
Slugs are favored hunting loads in areas where longer range rifles may prove dangerous to unintended targets.
Shotgun at AllExperts (6087 words)
Shotguns have also been referred to as "scatterguns", "fowling pieces" or "two-shoot guns" historically, and were used as a replacement for the blunderbuss.
Shotguns made for close ranges, where the angular speed of the targets is great (such as skeet shooting, or upland bird hunting) tend to have shorter barrels, around 24 to 28 inches (610 to 710 mm).
Shotguns used by military, police, and other government agencies are exempted from regulation under the National Firearms Act of 1934, and often have barrels as short as 12 to 14 inches (305 to 356 mm), so that they are easier to handle in confined spaces.
  More results at FactBites »



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