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5.56×45mm NATO

Index 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. [1]

115 relations: Aberdeen Proving Ground, AK-47, AK-74, Alliant Techsystems, ArmaLite, ArmaLite AR-10, ArmaLite AR-15, Australia, Ballistic coefficient, Ballistic gelatin, Bismuth, Black Hills Ammunition, Bolt thrust, Cannelure, Cartridge (firearms), Caseless ammunition, Catastrophic failure, Colt Canada C7, Commission Internationale Permanente pour l'Epreuve des Armes à Feu Portatives, Copper, Curtis LeMay, Designated marksman rifle, Express (weaponry), External ballistics, Federal Premium Ammunition, Flight dynamics, FN FAL, FN FNC, FN Herstal, FN Minimi, FN SCAR, Fort Benning, Fragmentation (weaponry), Free recoil, Full metal jacket bullet, Georgia (U.S. state), Grain (unit), Green bullet, Gun barrel, Gun laws in Switzerland, Heckler & Koch G11, Hydrostatic shock (firearms), Intermediate cartridge, International Security Assistance Force, Iraq War, Japan, Lake City Army Ammunition Plant, List of rifle cartridges, Litre, M1 helmet, ..., M14 rifle, M16 rifle, M234 launcher, M249 light machine gun, M27 Infantry Automatic Rifle, M4 carbine, Major non-NATO ally, Marine Corps Times, Martin Fackler, Meplat, Minute and second of arc, Mk 12 Special Purpose Rifle, Muzzle velocity, NATO, NATO EPVAT testing, NATO Stock Number, Naval Surface Warfare Center Crane Division, Picatinny Arsenal, Point-blank range, Polymer-cased ammunition, Proof test, QuickLOAD, Rate of fire, Rim (firearms), ROF Radway Green, Rolled homogeneous armour, RUAG, Ruger Mini-14, Service rifle, SIG SG 510, SIG SG 550, South Korea, Special Forces (United States Army), Spitzer (bullet), Sporting Arms and Ammunition Manufacturers' Institute, Springfield Armory, Standardization Agreement, Stopping power, Subsidiary, Swiss Armed Forces, Table of handgun and rifle cartridges, Taiwan, Thales Australia, The Pentagon, Tombac, Tungsten, United States Marine Corps, United States Special Operations Command, United States special operations forces, Vektor R4, Vietnam War, .222 Remington, .223 Remington, .223 Wylde chamber, .280 British, .300 AAC Blackout, .50 BMG, 4.85×49mm, 5 mm caliber, 5.45×39mm, 5.8×42mm, 6.5mm Grendel, 6.8mm Remington SPC, 7.62×39mm, 7.62×51mm NATO. Expand index (65 more) »

Aberdeen Proving Ground

Aberdeen Proving Ground (APG) (sometimes erroneously called Aberdeen Proving Grounds) is a United States Army facility located adjacent to Aberdeen, Maryland (in Harford County).

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The AK-47, or AK as it is officially known, also known as the Kalashnikov, is a gas-operated, 7.62×39mm assault rifle, developed in the Soviet Union by Mikhail Kalashnikov.

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The AK-74 (Russian: Автомат Калашникова образца 1974 года or "Kalashnikov automatic rifle model 1974") is an assault rifle developed in the early 1970s by Russian designer Mikhail Kalashnikov as the replacement for the earlier AKM (itself a refined version of the AK-47). It uses a smaller 5.45×39mm cartridge, replacing the 7.62×39mm chambering of earlier Kalashnikov-pattern weapons. The rifle first saw service with Soviet forces engaged in the 1979 Afghanistan conflict.Woźniak, Ryszard: Encyklopedia najnowszej broni palnej—tom 1 A-F, page 25. Bellona, 2001. The head of the Afghan bureau of the Pakistani Inter-Services Intelligence claimed that the CIA paid $5,000 for the first AK-74 captured by the Mujahideen during the Soviet–Afghan War. Presently, the rifle continues to be used by the majority of countries of the former Soviet Union. Additionally, licensed copies were produced in Bulgaria (AK-74, AKS-74 and AKS-74U), and the former East Germany (MPi-AK-74N, MPi-AKS-74N, MPi-AKS-74NK).Cutshaw, Charlie: The New World of Russian Small Arms & Ammo, page 92. Paladin Press, 1998.McNab, Chris: The AK47 (Weapons of War), page 25. Spellmount Publishers, 2001. Besides former Soviet republics and eastern European countries, Mongolia, North Korean Special Forces, and Vietnamese People's Naval infantry use AK-74s.

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Alliant Techsystems

Alliant Techsystems Inc. (ATK) was an American aerospace, defense, and sporting goods company with its headquarters in Arlington County, Virginia, in the United States.

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ArmaLite, or Armalite, is an American small arms engineering company founded in the mid 1950s in Hollywood, California.

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ArmaLite AR-10

The ArmaLite AR-10 is a 7.62×51mm NATO battle rifle developed by Eugene Stoner in the late 1950s and manufactured by ArmaLite, then a division of the Fairchild Aircraft Corporation.

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ArmaLite AR-15

The ArmaLite AR-15 is a select-fire, air-cooled, gas-operated, magazine-fed assault rifle manufactured in the United States between 1959 and 1964.

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Australia, officially the Commonwealth of Australia, is a sovereign country comprising the mainland of the Australian continent, the island of Tasmania and numerous smaller islands.

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Ballistic coefficient

In ballistics, the ballistic coefficient (BC) of a body is a measure of its ability to overcome air resistance in flight.

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Ballistic gelatin

Ballistic gelatin is a testing medium scientifically correlated to swine muscle tissue (which in turn is comparable to human muscle tissue), in which the effects of bullet wounds can be simulated.

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Bismuth is a chemical element with symbol Bi and atomic number 83.

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Black Hills Ammunition

Black Hills Ammunition is an American ammunition and reloading supplies manufacturing company based in Rapid City, South Dakota.

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Bolt thrust

Bolt thrust or breech pressure is a term used in internal ballistics and firearms (whether small arms or artillery) that describes the amount of rearward force exerted by the propellant gases on the bolt or breech of a firearm action or breech when a projectile is fired.

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A cannelure is a groove or channel around ammunition, either bullets or cartridge cases. The cannelure may be pressed into or cast with the bullet or case.

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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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Caseless ammunition

Caseless ammunition is a type of small arms ammunition that eliminates the cartridge case that typically holds the primer, propellant, and projectile together as a unit.

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Catastrophic failure

A catastrophic failure is a sudden and total failure from which recovery is impossible.

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Colt Canada C7

The Colt Canada C7 is a Canadian assault rifle, manufactured by Colt Canada (formerly Diemaco prior to 2005), a variant of the Armalite AR-15, and having similar design and function to the Colt M16A3.

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Commission Internationale Permanente pour l'Epreuve des Armes à Feu Portatives

The Commission internationale permanente pour l'épreuve des armes à feu portatives ("Permanent International Commission for the Proof of Small Arms" – commonly abbreviated as C.I.P.) is an international organisation which sets standards for safety testing of firearms.

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Copper is a chemical element with symbol Cu (from cuprum) and atomic number 29.

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Curtis LeMay

Curtis LeMay (November 15, 1906 – October 1, 1990) was a general in the United States Air Force and the vice presidential running mate of American Independent Party candidate George Wallace in the 1968 presidential election.

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Designated marksman rifle

A designated marksman rifle (DMR) is the precision scoped weapon system used by modern infantries in the designated marksman (DM) role.

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Express (weaponry)

The term express was first applied to hunting rifles and ammunition beginning in the middle 19th century, to indicate a rifle or ammunition capable of higher than typical velocities.

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External ballistics

External ballistics or exterior ballistics is the part of ballistics that deals with the behavior of a projectile in flight.

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Federal Premium Ammunition

Federal Premium Ammunition, a wholly owned subsidiary of Vista Outdoor Inc., is located in Anoka, Minnesota.

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Flight dynamics

Flight dynamics is the study of the performance, stability, and control of vehicles flying through the air or in outer space.

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The FN FAL (Fusil Automatique Léger, English: Light Automatic Rifle), is a battle rifle designed by Belgian small arms designers Dieudonné Saive and Ernest Vervier and manufactured by Fabrique Nationale d'Herstal (FN Herstal).

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The FN FNC (French: Fabrique Nationale Carabine) is a 5.56×45mm NATO assault rifle developed by the Belgian arms manufacturer FN Herstal and introduced in the late 1970s.

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FN Herstal

Fabrique Nationale Herstal (French for: National Factory Herstal), self-identified as FN Herstal and often referred to as Fabrique Nationale or simply FN, is a leading firearms manufacturer located in Herstal, Belgium, and is owned by the holding company Herstal Group which is owned by the regional government of Wallonia.

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FN Minimi

The FN Minimi (short for Mini Mitrailleuse; "mini machine gun") is a Belgian 5.56mm Squad Automatic Weapon, or SAW developed by Fabrique Nationale (FN) in Herstal by Ernest Vervier.

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The FN SCAR (Fabrique Nationale Special Operations Forces Combat Assault Rifle) is a gas-operated (short-stroke gas piston) self-loading rifle with a rotating bolt.

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Fort Benning

Fort Benning is a United States Army base straddling the Alabama-Georgia border next to Columbus, Georgia.

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Fragmentation (weaponry)

Fragmentation is the process by which the casing of an artillery or mortar shell, rocket, missile, bomb, grenade, etc.

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Free recoil

Free recoil is a vernacular term or jargon for recoil energy of a firearm not supported from behind.

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Full metal jacket bullet

A full metal jacket (FMJ) bullet is a small-arms projectile consisting of a soft core (often lead) encased in a shell of harder metal, such as gilding metal, cupronickel, or less commonly a steel alloy.

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Georgia (U.S. state)

Georgia is a state in the Southeastern United States.

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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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Green bullet

Green bullet, green ammunition or green ammo are nicknames for a United States Department of Defense program to eliminate the use of hazardous materials from small arms ammunition and from small arms ammunition manufacturing.

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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 laws in Switzerland

Firearms legislation in Switzerland comes from a long tradition of shooting (''tirs'') as a formative element of national identity in the post-Napoleonic Restoration of the Confederacy, and the long-standing practice of a militia organization of the Swiss Army in which soldiers' service rifles are stored privately at their homes.

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Heckler & Koch G11

The Heckler & Koch G11 is a non-production prototype assault rifle developed during the late 1960s, 1970s and 1980s by Gesellschaft für Hülsenlose Gewehrsysteme (GSHG) (German for "Corporation for Caseless Rifle Systems"), a conglomeration of companies headed by firearm manufacturer Heckler & Koch (mechanical engineering and weapon design), Dynamit Nobel (propellant composition and projectile design), and Hensoldt Wetzlar (target identification and optic systems).

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Hydrostatic shock (firearms)

Hydrostatic shock is the controversial concept that a penetrating projectile (such as a bullet) can produce a pressure wave that causes "remote neural damage", "subtle damage in neural tissues" and/or "rapid incapacitating effects" in living targets.

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Intermediate cartridge

An intermediate cartridge is a rifle/carbine cartridge that is less powerful than typical full-power battle rifle cartridges (such as the.303 British, 7.62×54mmR, 7.92×57mm Mauser,.30-06 Springfield or 7.62×51mm NATO), but still has significantly longer effective range than pistol/personal defense weapon cartridges.

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International Security Assistance Force

The International Security Assistance Force (ISAF) was a NATO-led security mission in Afghanistan, established by the United Nations Security Council in December 2001 by Resolution 1386, as envisaged by the Bonn Agreement.

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Iraq War

The Iraq WarThe conflict is also known as the War in Iraq, the Occupation of Iraq, the Second Gulf War, and Gulf War II.

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Japan (日本; Nippon or Nihon; formally 日本国 or Nihon-koku, lit. "State of Japan") is a sovereign island country in East Asia.

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Lake City Army Ammunition Plant

Lake City Army Ammunition Plant (LCAAP) is a U.S. government-owned, contractor-operated facility in northeastern Independence, Missouri, that was established by Remington Arms in 1941 to manufacture and test small caliber ammunition for the U.S. Army.

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List of rifle cartridges

List of rifle cartridges, by category, then by name.

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The litre (SI spelling) or liter (American spelling) (symbols L or l, sometimes abbreviated ltr) is an SI accepted metric system unit of volume equal to 1 cubic decimetre (dm3), 1,000 cubic centimetres (cm3) or 1/1,000 cubic metre. A cubic decimetre (or litre) occupies a volume of 10 cm×10 cm×10 cm (see figure) and is thus equal to one-thousandth of a cubic metre. The original French metric system used the litre as a base unit. The word litre is derived from an older French unit, the litron, whose name came from Greek — where it was a unit of weight, not volume — via Latin, and which equalled approximately 0.831 litres. The litre was also used in several subsequent versions of the metric system and is accepted for use with the SI,, p. 124. ("Days" and "hours" are examples of other non-SI units that SI accepts.) although not an SI unit — the SI unit of volume is the cubic metre (m3). The spelling used by the International Bureau of Weights and Measures is "litre", a spelling which is shared by almost all English-speaking countries. The spelling "liter" is predominantly used in American English. One litre of liquid water has a mass of almost exactly one kilogram, because the kilogram was originally defined in 1795 as the mass of one cubic decimetre of water at the temperature of melting ice. Subsequent redefinitions of the metre and kilogram mean that this relationship is no longer exact.

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M1 helmet

The M1 helmet is a combat helmet that was used by the United States military from World War II until 1985, when it was succeeded by the PASGT helmet.

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M14 rifle

The M14 rifle, officially the United States Rifle, 7.62 mm, M14, is an American automatic rifle that fires 7.62×51mm NATO (.308 in) ammunition.

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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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M234 launcher

The M234 Riot Control Launcher is an M16 series rifle attachment firing a M755 blank round.

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M249 light machine gun

The M249 light machine gun (LMG), formerly designated the M249 Squad Automatic Weapon (SAW) and formally written as Light Machine Gun, 5.56 mm, M249, is the American adaptation of the Belgian FN Minimi, a light machine gun manufactured by the Belgian company FN Herstal (FN).

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M27 Infantry Automatic Rifle

The M27 Infantry Automatic Rifle (IAR) is a lightweight, magazine-fed 5.56mm, select-fire weapon based on the Heckler & Koch HK416.

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M4 carbine

The M4 carbine is a shorter and lighter variant of the M16A2 assault rifle.

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Major non-NATO ally

Major non-NATO ally (MNNA) is a designation given by the United States government to close allies that have strategic working relationships with the US Armed Forces but are not members of the North Atlantic Treaty Organization (NATO).

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Marine Corps Times

Marine Corps Times (ISSN 1522-0869) is a newspaper serving active, reserve and retired United States Marine Corps personnel and their families, providing news, information and analysis as well as community and lifestyle features, educational supplements, and resource guides.

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Martin Fackler

Martin L. Fackler served in the U.S Navy from 1960–1975 and in the U.S. Army from 1975–1991.

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Meplat (from the French word "méplat" meaning "flat") is the technical term for the flat or open tip on the nose of a bullet.

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Minute and second of arc

A minute of arc, arcminute (arcmin), arc minute, or minute arc is a unit of angular measurement equal to of one degree.

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Mk 12 Special Purpose Rifle

The United States Navy Mark 12 Mod 0/1 Special Purpose Rifle (SPR) is a semi-automatic rifle in service with United States Special Operations Forces used in the designated marksman role.

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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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The North Atlantic Treaty Organization (NATO; Organisation du Traité de l'Atlantique Nord; OTAN), also called the North Atlantic Alliance, is an intergovernmental military alliance between 29 North American and European countries.

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NATO EPVAT testing

NATO EPVAT testing is one of the three recognized classes of procedures used in the world to control the safety and quality of firearms ammunition.

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NATO Stock Number

A NATO Stock Number, or National Stock Number (NSN) as it is known in the US, is a 13-digit numeric code, identifying all the 'standardized material items of supply' as they have been recognized by all NATO countries including United States Department of Defense.

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Naval Surface Warfare Center Crane Division

Naval Surface Warfare Center Crane Division is the principal tenant command located at Naval Support Activity Crane.

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Picatinny Arsenal

The Picatinny Arsenal is an American military research and manufacturing facility located on of land in Jefferson and Rockaway Township in Morris County, New Jersey, United States, encompassing Picatinny Lake and Lake Denmark.

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Point-blank range

Point-blank range is any distance over which the trajectory of a given projectile fired from a given weapon remains sufficiently flat that one can strike a target by firing at it directly.

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Polymer-cased ammunition

Polymer-cased ammunition (or PCA) is ammunition with polymer-based casings instead of the usual metal-based casing.

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Proof test

A proof test is a form of stress test to demonstrate the fitness of a load-bearing structure.

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QuickLOAD is an internal ballistics predictor computer program for firearms.

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Rate of fire

Rate of fire is the frequency at which a specific weapon can fire or launch its projectiles.

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Rim (firearms)

A rim is an external flange that is machined, cast, molded, stamped or pressed around the bottom of a firearms cartridge.

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ROF Radway Green

The former Royal Ordnance Factory (ROF), Radway Green manufactures small arms ammunition for the British armed forces.

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Rolled homogeneous armour

Rolled homogeneous armour (RHA) is a type of armour made of a single steel composition hot-rolled to improve its material characteristics, as opposed to layered or cemented armour.

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RUAG (originally Rüstungs Unternehmen Aktiengesellschaft; Joint Stock Defense Company) is a Swiss technology company, with its headquarters in Bern.

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Ruger Mini-14

The Mini-14 is a lightweight semi-automatic rifle manufactured by Sturm, Ruger & Co. used by law enforcement personnel and civilians.

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Service rifle

The service rifle (also known as standard-issue rifle) of a given armed force is that which it issues as standard to its service members.

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SIG SG 510

The SIG SG 510 or Sturmgewehr 57 is a selective fire battle rifle manufactured by Schweizerische Industrie Gesellschaft (now SAN Swiss Arms) of Switzerland.

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SIG SG 550

The SG 550 is an assault rifle manufactured by Swiss Arms AG (formerly a division of Schweizerische Industrie Gesellschaft now known as Sig Holding AG) in Switzerland.

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South Korea

South Korea, officially the Republic of Korea (대한민국; Hanja: 大韓民國; Daehan Minguk,; lit. "The Great Country of the Han People"), is a country in East Asia, constituting the southern part of the Korean Peninsula and lying east to the Asian mainland.

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Special Forces (United States Army)

The United States Army Special Forces, colloquially known as the Green Berets due to their distinctive service headgear, are a special operations force tasked with five primary missions: unconventional warfare (the original and most important mission of Special Forces), foreign internal defense, special reconnaissance, direct action, and counter-terrorism.

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Spitzer (bullet)

The spitzer bullet, also commonly referred to as a spire point bullet, is primarily a small arms ballistics development of the late 19th and early 20th century, driven by military desire for aerodynamic bullet designs that will give a higher degree of accuracy and kinetic efficiency, especially at extended ranges.

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Sporting Arms and Ammunition Manufacturers' Institute

The Sporting Arms and Ammunition Manufacturers' Institute (SAAMI, pronounced "Sammy") is an association of American firearms and ammunition manufacturers.

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Springfield Armory

The Springfield Armory, located in the city of Springfield, Massachusetts, was the primary center for the manufacture of United States military firearms from 1777 until its closing in 1968, it was one of the first companies dedicated to the manufacture of weapons.

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Standardization Agreement

In NATO a STANdardization AGreement (STANAG) defines processes, procedures, terms, and conditions for common military or technical procedures or equipment between the member countries of the alliance.

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Stopping power

Stopping power is the ability of a firearm or other weapon to cause enough ballistic trauma to a target (human or animal) to immediately incapacitate (and thus stop) the target.

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A subsidiary, subsidiary company or daughter company"daughter company.

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Swiss Armed Forces

The Swiss Armed Forces (German: Schweizer Armee, French: Armée suisse, Italian: Esercito svizzero, Romanisch: Armada svizra) operates on land, in the air, and in international waters.

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Table of handgun and rifle cartridges

Table of selected pistol/submachine gun and rifle/machine gun cartridges by common name.

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Taiwan, officially the Republic of China (ROC), is a state in East Asia.

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Thales Australia

Thales Australia (formerly ADI Limited) is a defence contractor for the Australian Defence Force, based in Australia.

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The Pentagon

The Pentagon is the headquarters of the United States Department of Defense, located in Arlington County, Virginia, across the Potomac River from Washington, D.C. As a symbol of the U.S. military, The Pentagon is often used metonymically to refer to the U.S. Department of Defense.

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Tombac, as it is spelled in French, or tombak, is a brass alloy with high copper content and 5–20% zinc content.

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Tungsten, or wolfram, is a chemical element with symbol W (referring to wolfram) and atomic number 74.

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United States Marine Corps

The United States Marine Corps (USMC), also referred to as the United States Marines, is a branch of the United States Armed Forces responsible for conducting amphibious operations with the United States Navy.

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United States Special Operations Command

The United States Special Operations Command (USSOCOM or SOCOM) is the Unified Combatant Command charged with overseeing the various Special Operations Component Commands of the Army, Marine Corps, Navy, and Air Force of the United States Armed Forces.

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United States special operations forces

United States special operations forces (SOF) are components of the Department of Defense's United States Special Operations Command (USSOCOM).

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Vektor R4

The R4 is a South African 5.56×45mm assault rifle.

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Vietnam War

The Vietnam War (Chiến tranh Việt Nam), also known as the Second Indochina War, and in Vietnam as the Resistance War Against America (Kháng chiến chống Mỹ) or simply the American War, was a conflict that occurred in Vietnam, Laos, and Cambodia from 1 November 1955 to the fall of Saigon on 30 April 1975.

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.222 Remington

The.222 Remington, which is also known as the Triple Deuce/Triple Two/Treble Two is a centerfire rifle cartridge.

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.223 Remington

The.223 Remington (.223 Rem) is a rifle cartridge.

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.223 Wylde chamber

A.223 Wylde chamber is used on.223 caliber rifle barrels to allow them to safely fire either.223 Remington or 5.56x45mm NATO ammunition.

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.280 British

The.280 British was an experimental rimless bottlenecked intermediate rifle cartridge.

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.300 AAC Blackout

The.300 AAC Blackout (designated as the 300 BLK by the SAAMI and 300 AAC Blackout by the C.I.P. or 300 AAC Blackout), also known as 7.62×35mm is a carbine cartridge developed in the United States by Advanced Armament Corporation (AAC) for use in the M4 carbine.

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.50 BMG

The.50 Browning Machine Gun (.50 BMG, 12.7×99mm NATO and designated as the 50 Browning by the C.I.P.) is a cartridge developed for the Browning.50 caliber machine gun in the late 1910s.

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The 4.85×49mm is an experimental intermediate firearm cartridge made by the United Kingdom for the Individual Weapon project, which became the SA80 series of small arms.

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5 mm caliber

This article lists firearm cartridges which have a bullet in the to caliber range.

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The 5.45×39mm cartridge is a rimless bottlenecked Intermediate cartridge.

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The 5.8×42mm / DBP87 ("Dàn (弹) Bùqiāng (步枪) Pŭtōng (普通), 1987"; literally "Standard Rifle Cartridge, 1987") is a military rimless bottlenecked intermediate cartridge developed in the People's Republic of China.

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6.5mm Grendel

The 6.5mm Grendel (6.5×39mm) is an intermediate cartridge designed by Arne Brennan, Bill Alexander, and Janne Pohjoispää as a low recoil, high accuracy, 200–800 yard cartridge specifically for the AR-15.

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6.8mm Remington SPC

The 6.8 mm Remington Special Purpose Cartridge (6.8 SPC, 6.8 SPC II or 6.8×43mm) is a rimless bottlenecked intermediate rifle cartridge that was developed by Remington Arms in collaboration with members of the U.S. Army Marksmanship Unit, United States Special Operations Command to possibly replace the 5.56 NATO cartridge in a Short Barreled Rifle(SBR)/Carbine.

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The 7.62×39mm (aka 7.62 Soviet or formerly.30 Russian Short) round is a rimless bottlenecked intermediate cartridge of Soviet origin that was designed during World War II.

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7.62×51mm NATO

The 7.62×51mm NATO (official NATO nomenclature 7.62 NATO) is a rimless bottlenecked rifle cartridge developed in the 1950s as a standard for small arms among NATO countries.

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Redirects here:

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[1] https://en.wikipedia.org/wiki/5.56×45mm_NATO

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