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Rifling

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In firearms, rifling is the helical groove pattern that is machined into the internal (bore) surface of a gun's barrel, for the purpose of exerting torque and thus imparting a spin to a projectile around its longitudinal axis during shooting. [1]

96 relations: Acceleration, Aerodynamics, Alfred George Greenhill, American Civil War, Angular momentum, AR-15 style rifle, Augsburg, Austria-Hungary, Česká zbrojovka Uherský Brod, Ball and shot gun, Ballistics, Breech-loading weapon, Broaching (metalworking), Bullet, Cartridge (firearms), Chamber (firearms), Coaxial, Colt Army Model 1860, Colt M1861 Navy, Comparison microscope, Concentric objects, Confederate States Army, Dowel, Driving band, Emery (rock), Euler angles, Firearm, Flechette, Forge, Freebore, Friction, G5 howitzer, GAU-8 Avenger, Gauge (firearms), GC-45 howitzer, Gear, Gerald Bull, Germany, Glock, Glossary of firearms terms, Grain (unit), Gun, Gun barrel, Gun barrel sequence, Gunpowder, Gunsmith, Gyroscope, Handgun, Heckler & Koch, Helix, ..., Hertz, Holland & Holland, Hornady, IMI Desert Eagle, Internal ballistics, Kahr Arms, M16 rifle, M61 Vulcan, Machine press, Machine tool, Machining, Mandrel, Metallic silhouette shooting, Miller twist rule, Minié ball, Momentum, Muzzle velocity, Muzzleloader, Muzzleloading, Nuremberg, Obturation, Panzerhaubitze 2000, Polygonal rifling, Precession, Projectile, Queen Anne pistol, Revolutions per minute, Rifle, Rifling, Royal Military Academy, Woolwich, Rule of thumb, Shooting, Slug (projectile), Smith & Wesson Model 460, Smokeless powder, Smoothbore, South Africa, Specific gravity, Swaging, Tanfoglio, Torque, Union Army, Velocity, .303 British, .308 Winchester, 5.56×45mm NATO. Expand index (46 more) »

Acceleration

In physics, acceleration is the rate of change of velocity of an object with respect to time.

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Aerodynamics

Aerodynamics, from Greek ἀήρ aer (air) + δυναμική (dynamics), is the study of the motion of air, particularly its interaction with a solid object, such as an airplane wing.

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Alfred George Greenhill

Sir (Alfred) George Greenhill, F.R.S. (29 November 1847 in London – 10 February 1927 in London), was a British mathematician.

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American Civil War

The American Civil War (also known by other names) was a war fought in the United States from 1861 to 1865.

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Angular momentum

In physics, angular momentum (rarely, moment of momentum or rotational momentum) is the rotational equivalent of linear momentum.

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AR-15 style rifle

An AR-15 style rifle is a lightweight semi-automatic rifle based on the Colt AR-15 design.

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Augsburg

Augsburg (Augschburg) is a city in Swabia, Bavaria, Germany.

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Austria-Hungary

Austria-Hungary, often referred to as the Austro-Hungarian Empire or the Dual Monarchy in English-language sources, was a constitutional union of the Austrian Empire (the Kingdoms and Lands Represented in the Imperial Council, or Cisleithania) and the Kingdom of Hungary (Lands of the Crown of Saint Stephen or Transleithania) that existed from 1867 to 1918, when it collapsed as a result of defeat in World War I. The union was a result of the Austro-Hungarian Compromise of 1867 and came into existence on 30 March 1867.

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Česká zbrojovka Uherský Brod

Česká zbrojovka a.s. Uherský Brod (ČZUB) (English: Czech Arms Factory) is a Czech firearms manufacturer.

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Ball and shot gun

The ball and shot gun, often also known by the marketing name paradox gun, is a shotgun capable of firing both shot and solid projectiles.

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Ballistics

Ballistics is the field of mechanics that deals with the launching, flight, behavior, and effects of projectiles, especially bullets, unguided bombs, rockets, or the like; the science or art of designing and accelerating projectiles so as to achieve a desired performance.

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Breech-loading weapon

A breech-loading gun is a firearm in which the cartridge or shell is inserted or loaded into a chamber integral to the rear portion of a barrel.

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Broaching (metalworking)

Broaching is a machining process that uses a toothed tool, called a broach, to remove material.

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Bullet

A bullet is a kinetic projectile and the component of firearm ammunition that is expelled from the gun barrel during shooting.

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Cartridge (firearms)

A cartridge is a type of firearm ammunition packaging a projectile (bullet, shots or slug), a propellant substance (usually either smokeless powder or black powder) and an ignition device (primer) within a metallic, paper or plastic case that is precisely made to fit within the barrel chamber of a breechloading gun, for the practical purpose of convenient transportation and handling during shooting.

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Chamber (firearms)

In firearms, the chamber is the portion of the barrel or firing cylinder in which the cartridge is inserted before being fired.

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Coaxial

In geometry, coaxial means that two or more three-dimensional linear forms share a common axis.

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Colt Army Model 1860

The Colt Army Model 1860 is a cap & ball.44-caliber single-action revolver used during the American Civil War made by Colt's Manufacturing Company.

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Colt M1861 Navy

The Colt Model 1861 Navy cap & ball.36-caliber revolver was a six-shot, single-action percussion weapon produced by Colt's Manufacturing Company from 1861 until 1873.

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Comparison microscope

A comparison microscope is a device used to analyze side-by-side specimens.

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Concentric objects

In geometry, two or more objects are said to be concentric, coaxal, or coaxial when they share the same center or axis.

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Confederate States Army

The Confederate States Army (C.S.A.) was the military land force of the Confederate States of America (Confederacy) during the American Civil War (1861–1865).

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Dowel

A dowel is a cylindrical rod, usually made from wood, plastic, or metal.

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Driving band

The driving band or rotating band is part of an artillery shell, a band of soft metal near the bottom of the shell, typically made of gilding metal, copper or lead.

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Emery (rock)

Emery (or corundite) is a dark granular rock used to make abrasive powder.

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Euler angles

The Euler angles are three angles introduced by Leonhard Euler to describe the orientation of a rigid body with respect to a fixed coordinate system.

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Firearm

A firearm is a portable gun (a barreled ranged weapon) that inflicts damage on targets by launching one or more projectiles driven by rapidly expanding high-pressure gas produced by exothermic combustion (deflagration) of propellant within an ammunition cartridge.

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Flechette

A flechette is a pointed steel projectile with a vaned tail for stable flight.

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Forge

A forge is a type of hearth used for heating metals, or the workplace (smithy) where such a hearth is located.

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Freebore

A firearm freebore is a portion of the gun barrel immediately forward of the chamber from which the rifling has been reamed away.

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Friction

Friction is the force resisting the relative motion of solid surfaces, fluid layers, and material elements sliding against each other.

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G5 howitzer

The G5 is a South African towed howitzer of 155 mm calibre designed and developed in South Africa by Denel Land Systems.

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GAU-8 Avenger

The General Electric GAU-8/A Avenger is a 30 mm hydraulically driven seven-barrel Gatling-type autocannon that is typically mounted in the United States Air Force's Fairchild Republic A-10 Thunderbolt II.

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Gauge (firearms)

The gauge of a firearm is a unit of measurement used to express the inner diameter (bore diameter) of the barrel.

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GC-45 howitzer

The GC-45 (Gun, Canada, 45-calibre) is a 155 mm howitzer designed by Gerald Bull's Space Research Corporation (SRC) in the 1970s.

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Gear

A gear or cogwheel is a rotating machine part having cut like teeth, or cogs, which mesh with another toothed part to transmit torque.

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Gerald Bull

Gerald Vincent Bull (March 9, 1928 – March 22, 1990) was a Canadian --> engineer who developed long-range artillery.

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Germany

Germany (Deutschland), officially the Federal Republic of Germany (Bundesrepublik Deutschland), is a sovereign state in central-western Europe.

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Glock

The Glock pistol is a series of polymer-framed, short recoil-operated, locked-breech semi-automatic pistols designed and produced by Austrian Glock Ges.m.b.H..

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Glossary of firearms terms

The following are terms related to firearms and ammunition topics.

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Grain (unit)

A grain is a unit of measurement of mass, and in the troy weight, avoirdupois, and Apothecaries' system, equal to exactly.

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Gun

A gun is a tubular ranged weapon typically designed to pneumatically discharge projectiles that are solid (most guns) but can also be liquid (as in water guns/cannons and projected water disruptors) or even charged particles (as in a plasma gun) and may be free-flying (as with bullets and artillery shells) or tethered (as with Taser guns, spearguns and harpoon guns).

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Gun barrel

A gun barrel is a crucial part of gun-type ranged weapons such as small firearms, artillery pieces and air guns.

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Gun barrel sequence

The gun barrel sequence is the signature device featured in nearly every ''James Bond'' film.

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Gunpowder

Gunpowder, also known as black powder to distinguish it from modern smokeless powder, is the earliest known chemical explosive.

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Gunsmith

A gunsmith is a person who repairs, modifies, designs, or builds guns.

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Gyroscope

A gyroscope (from Ancient Greek γῦρος gûros, "circle" and σκοπέω skopéō, "to look") is a device used for measuring or maintaining orientation and angular velocity.

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Handgun

A handgun is a short-barreled firearm designed to be fired with only one hand.

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Heckler & Koch

Heckler & Koch GmbH (HK) is a German defense manufacturing company that manufactures handguns, assault rifles, submachine guns, and grenade launchers.

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Helix

A helix, plural helixes or helices, is a type of smooth space curve, i.e. a curve in three-dimensional space.

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Hertz

The hertz (symbol: Hz) is the derived unit of frequency in the International System of Units (SI) and is defined as one cycle per second.

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Holland & Holland

Holland & Holland is a British gun-maker based in London, England which offers handmade sporting rifles and shotguns.

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Hornady

Hornady Manufacturing Company is an American manufacturer of ammunition and handloading components, based in Grand Island, Nebraska.

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IMI Desert Eagle

The MRI Desert Eagle is a semi-automatic handgun notable for chambering the largest centerfire cartridge of any magazine-fed, self-loading pistol.

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Internal ballistics

Internal ballistics (also interior ballistics), a subfield of ballistics, is the study of the propulsion of a projectile.

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Kahr Arms

Kahr Arms is an American small arms manufacturer founded by Justin Moon, son of Sun Myung Moon, the founder of the Unification Church, who currently serves as CEO and President.

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M16 rifle

The M16 rifle, officially designated Rifle, Caliber 5.56 mm, M16, is a United States military adaptation of the ArmaLite AR-15 rifle.Kern, Danford Allan (2006).. m-14parts.com. A thesis presented to the Faculty of the US Army Command and General Staff College in partial fulfillment of the requirements for the degree MASTER OF MILITARY ART AND SCIENCE, Military History. Fort Leavenworth, KansasKokalis, Peter G.. Nodakspud.com The original M16 was a selective fire 5.56mm rifle with a 20-round magazine. In 1964, the M16 entered U.S. military service and the following year was deployed for jungle warfare operations during the Vietnam War. In 1969, the M16A1 replaced the M14 rifle to become the U.S. military's standard service rifle.Ezell, Edward Clinton (1983). Small Arms of the World. New York: Stackpole Books. pp. 46–47..Urdang, p. 801. The M16A1 improvements include a bolt-assist, chrome plated bore and a new 30-round magazine. In 1983, the U.S. Marine Corps adopted the M16A2 rifle and the U.S. Army adopted it in 1986. The M16A2 fires the improved 5.56×45mm NATO (M855/SS109) cartridge and has a new adjustable rear sight, case deflector, heavy barrel, improved handguard, pistol grip and buttstock, as well as a semi-auto and three-round burst only fire selector. Adopted in 1998, the M16A4 is the fourth generation of the M16 series.Weapons of the Modern Marines, by Michael Green, MBI Publishing Company, 2004, page 16 It is equipped with a removable carrying handle and Picatinny rail for mounting optics and other ancillary devices. The M16 has also been widely adopted by other militaries around the world. Total worldwide production of M16s has been approximately 8 million, making it the most-produced firearm of its 5.56 mm caliber. The U.S. Military has largely replaced the M16 in combat units with a shorter and lighter version named the M4 carbine.

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M61 Vulcan

The M61 Vulcan is a hydraulically or pneumatically driven, six-barrel, air-cooled, electrically fired Gatling-style rotary cannon which fires 20 mm rounds at an extremely high rate (typically 6,000 rounds per minute).

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Machine press

A forming press, commonly shortened to press, is a machine tool that changes the shape of a workpiece by the application of pressure.

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Machine tool

A machine tool is a machine for shaping or machining metal or other rigid materials, usually by cutting, boring, grinding, shearing, or other forms of deformation.

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Machining

Machining is any of various processes in which a piece of raw material is cut into a desired final shape and size by a controlled material-removal process.

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Mandrel

A mandrel (also mandril or arbor) is one of the following.

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Metallic silhouette shooting

Metallic silhouette shooting is a group of target shooting disciplines that involves shooting at steel targets representing game animals at varying distances, seeking to knock the metal target over.

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Miller twist rule

Miller twist rule is a mathematical formula created by Don Miller to calculate the optimum rate of twist for a given bullet traveling through a rifled barrel.

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Minié ball

The Minié ball, or Minni ball, is a type of muzzle-loading spin-stabilized rifle bullet named after its co-developer, Claude-Étienne Minié, inventor of the Minié rifle.

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Momentum

In Newtonian mechanics, linear momentum, translational momentum, or simply momentum (pl. momenta) is the product of the mass and velocity of an object.

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Muzzle velocity

Muzzle velocity is the speed of a projectile at the moment it leaves the muzzle of a gun.

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Muzzleloader

A muzzleloader is any firearm into which the projectile and usually the propellant charge is loaded from the muzzle of the gun (i.e., from the forward, open end of the gun's barrel).

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Muzzleloading

Muzzleloading is the shooting sport of firing muzzleloading guns.

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Nuremberg

Nuremberg (Nürnberg) is a city on the river Pegnitz and on the Rhine–Main–Danube Canal in the German state of Bavaria, in the administrative region of Middle Franconia, about north of Munich.

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Obturation

In the field of firearms and airguns, obturation denotes necessary barrel blockage or fit by a deformed soft projectile (obturation in general is closing up an opening).

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Panzerhaubitze 2000

The Panzerhaubitze 2000 ("armoured howitzer 2000"), abbreviated PzH 2000, is a German 155 mm self-propelled howitzer developed by Krauss-Maffei Wegmann (KMW) and Rheinmetall for the German Army.

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Polygonal rifling

Polygonal rifling is a type of gun barrel rifling where the traditional sharp-edged lands and grooves are replaced by less-edged "hills and valleys" in a polygonal pattern, usually taking the form of a hexagon or octagon.

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Precession

Precession is a change in the orientation of the rotational axis of a rotating body.

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Projectile

A projectile is any object thrown into space (empty or not) by the exertion of a force.

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Queen Anne pistol

Queen Anne pistols are a type of flintlock pistol distinguished by the lockplate being forged in one piece with the breech and the trigger plate.

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Revolutions per minute

Revolutions per minute (abbreviated rpm, RPM, rev/min, r/min) is the number of turns in one minute.

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Rifle

A rifle is a portable long-barrelled firearm designed for precision shooting, to be held with both hands and braced against the shoulder for stability during firing, and with a barrel that has a helical pattern of grooves ("rifling") cut into the bore walls.

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Rifling

In firearms, rifling is the helical groove pattern that is machined into the internal (bore) surface of a gun's barrel, for the purpose of exerting torque and thus imparting a spin to a projectile around its longitudinal axis during shooting.

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Royal Military Academy, Woolwich

The Royal Military Academy (RMA) at Woolwich, in south-east London, was a British Army military academy for the training of commissioned officers of the Royal Artillery and Royal Engineers.

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Rule of thumb

The English phrase rule of thumb refers to a principle with broad application that is not intended to be strictly accurate or reliable for every situation.

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Shooting

Shooting is the act or process of discharging a projectile from a ranged weapon (such as a gun, slingshot, crossbow, or bow. Even the acts of launching/discharging artillery, darts, grenades, rockets and guided missiles can be considered acts of shooting. When using a firearm, the act of shooting is often called firing as it involves initiating a combustion process (deflagration). Shooting can take place in a shooting range or in the field, in shooting sports, hunting or in combat. A person involved in the shooting activity is a shooter. A proficient shooter is a marksman or sharpshooter. A person's level of shooting proficiency is referred to as marksmanship.

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Slug (projectile)

A slug is a term used for a bulky solid ballistic projectile.

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Smith & Wesson Model 460

Smith & Wesson Model 460 is a large bore five-shot, single-action/double-action revolver by Smith & Wesson chambered for the.460 S&W Magnum cartridge.

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Smokeless powder

Smokeless powder is the name given to a number of propellants used in firearms and artillery that produce negligible smoke when fired, unlike the black powder they replaced.

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Smoothbore

A smoothbore weapon is one that has a barrel without rifling.

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South Africa

South Africa, officially the Republic of South Africa (RSA), is the southernmost country in Africa.

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Specific gravity

Specific gravity is the ratio of the density of a substance to the density of a reference substance; equivalently, it is the ratio of the mass of a substance to the mass of a reference substance for the same given volume.

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Swaging

Swaging is a forging process in which the dimensions of an item are altered using dies into which the item is forced.

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Tanfoglio

Fratelli Tanfoglio S.N.C. is an Italian gun manufacturing company.

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Torque

Torque, moment, or moment of force is rotational force.

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Union Army

During the American Civil War, the Union Army referred to the United States Army, the land force that fought to preserve the Union of the collective states.

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Velocity

The velocity of an object is the rate of change of its position with respect to a frame of reference, and is a function of time.

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.303 British

The.303 British (designated as the 303 British by the C.I.P. and SAAMI) or 7.7×56mmR, is a calibre (with the bore diameter measured between the lands as is common practice in Europe) rimmed rifle cartridge first developed in Britain as a black-powder round put into service in December 1888 for the Lee–Metford rifle.

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.308 Winchester

The.308 Winchester (pronounced: "three-oh-eight") is a rimless, bottlenecked rifle cartridge and is the commercial cartridge from which the 7.62×51mm NATO round was derived.

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5.56×45mm NATO

The 5.56×45mm NATO (official NATO nomenclature 5.56 NATO) is a rimless bottlenecked intermediate cartridge family developed in Belgium by FN Herstal.

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Redirects here:

Barrel twist, Oval bore, Rate of twist, Rifled, Rifled barrel, Rifled barrels, Rifled gun, Twist rate.

References

[1] https://en.wikipedia.org/wiki/Rifling

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