/ruy"feuhl/, n., v., rifled, rifling.
1. a shoulder firearm with spiral grooves cut in the inner surface of the gun barrel to give the bullet a rotatory motion and thus a more precise trajectory.
2. one of the grooves.
3. a cannon with such grooves.
4. (often cap.) rifles, any of certain military units or bodies equipped with rifles.
5. to cut spiral grooves within (a gun barrel, pipe, etc.).
6. to propel (a ball) at high speed, as by throwing or hitting with a bat.
[1745-55; < LG rifeln to groove, deriv. of rive, riefe groove, flute, furrow; akin to OE rifelede wrinkled]
rifler, n.
/ruy"feuhl/, v.t., rifled, rifling.
1. to ransack and rob (a place, receptacle, etc.).
2. to search and rob (a person).
3. to plunder or strip bare.
4. to steal or take away.
[1325-75; ME rifel < OF rifler to scratch, strip, plunder]
Syn. 1. See rob.

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Firearm whose barrel is rifled (i.e., has spiral grooves cut inside it to give a spin to the projectile).

Though usually applied to a weapon fired from the shoulder, the name can also refer to a rifled cannon. Rifled firearms date to at least the 15th century, when it was discovered that imparting a spin to the bullet improved its range and accuracy. The earliest muzzle-loading rifles were more difficult to load than smoothbore muskets, but the invention of metallic cartridges made possible the development of breech-loading mechanisms. Bolt-action rifles, which use a manually operated cylinder to drive the cartridge into the rifle's chamber, are the most common type for hunting. See also assault rifle.
(as used in expressions)

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      firearm with a rifled bore—i.e., having shallow spiral grooves cut inside the barrel to impart a spin to the projectile. The name, most often applied to a weapon fired from the shoulder, may also denote a rifled cannon; but though field guns, howitzers, pistols, and machine guns have rifled barrels, they are not normally referred to as rifles.

      Rifled firearms date at least to the 15th century. As some of the earliest had straight rather than spiral grooves, it is thought the purpose may have been to receive the powder residue or fouling that was a problem with early firearms. Gunmakers soon discovered, however, that spiral grooves made bullets spin and that spinning improved their range and accuracy. The effect increased when spherical balls were superseded by somewhat elongated projectiles.

      In early muzzle-loading rifles, ramming the bullet down the bore was difficult, as it had to fit the rifling tightly. Such rifles could not be loaded as rapidly as smoothbore muskets. This problem was solved first by the Minié ball, a cylindroconoidal-shaped projectile with a hollow base that expanded slightly from the impact of the propelling charge, thereby fitting tightly into the grooves of the rifling. Somewhat later, the invention of metallic cartridges (containing bullet, propellant, charge, and powder) permitted the development of gas-tight, breech-loading mechanisms. Most breech-loading rifles of the late 19th and early 20th centuries were bolt-operated (Springfield, Enfield, Mauser, and Krag-Jørgenson). Since World War II, however, the assault rifle (q.v.), a light, medium-range weapon with a switch allowing fully automatic fire, has become the dominant military rifle.

      Bolt-action (bolt action) rifles similar to military weapons of 1890 to 1940 are still the most common type for hunting. Bolt action is efficient, reliable, and easy to manufacture and maintain; most weapons of this type have magazines to hold cartridges for quick reloading after each shot. Lever-action and slide- or pump-action weapons are less common, but after World War II semiautomatic rifles for hunting became popular in the United States, especially the Calibre .22 rimfire. It is illegal in some countries to hunt with a semiautomatic rifle.

      A rifle is usually classified on the basis of the type of action it employs and on the size or calibre of ammunition it fires. Calibre is the diameter of the bore in inches or millimetres, and the full title of a rifle gives other information, e.g., Cal. .30/30 means a rifle with a bore diameter of .30 inch (7.62 mm) and a cartridge case designed to hold 30 grains (2 g) of black powder. Power and performance also depend on the weight and shape of the bullet and its velocity. For instance, a Cal. .257 Weatherby—the name of the inventor of the rifle and the cartridge—is considerably more powerful than weapons with larger bore diameters like the Cal. .30/30, because the Weatherby bullet travels faster.

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Universalium. 2010.

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