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Firearm

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A firearm is a weapon that launches projectiles using high pressure. This pressure comes from the deflagration of a chemical propellant. Deflagration is a type of rapid combustion, or burning. In antique firearms, people used black powder to create this effect. Modern firearms typically use smokeless powder or other explosive propellants. This process creates rapidly expanding high-pressure gas. The gas pushes the projectile through a barrel to hit a target.

梨花鎗
梨花鎗

The history of firearms began in 10th-century Song dynasty China. The earliest versions were called fire lances. These were bamboo tubes filled with gunpowder and pellet projectiles. They were mounted on spears so a single person could operate them. In 1132, these weapons were used effectively during the siege of De'an. By the 13th century, technology improved. People replaced bamboo with metal tubes to create hand cannons. This metal-barreled technology spread throughout Eurasia during the 14th century.

Yuan chinese gun
Yuan chinese gun

Firearms are often categorized by their weight and portability. Military forces divide them into heavy and light weapons. Heavy firearms are too large to carry on foot. They require a weapons platform, such as a vehicle or a fixed mount. Light firearms can be carried by an individual soldier. A subset of light firearms is called small arms. These are compact enough for one person to operate fully. Small arms include handguns, rifles, and shotguns.

M16 and AK-47 comparison
M16 and AK-47 comparison

Handguns are the smallest type of firearm. They are designed to be used with a single hand. People often use them as sidearms or for self-defense. There are three main types of handguns. Pistols have a single fixed firing chamber in the barrel. Revolvers use a revolving cylinder with multiple firing chambers. Derringers are small handguns that are neither traditional pistols nor revolvers.

Glock 19 Gen 4 pistol
Glock 19 Gen 4 pistol
Colt Autentica
Colt Autentica

Long guns require two hands and a shoulder brace for stability. Rifles and shotguns are the two most common types. Rifles have rifling, which are spiral grooves inside the barrel. This rifling imparts a gyroscopic spin to the bullet. The spin helps the bullet stay stable and accurate over long distances. Shotguns usually have a smoothbore barrel, meaning it lacks rifling. They often fire a cluster of small pellets called shot. These pellets spread out during flight, which reduces their accuracy compared to rifles.

Bastogne War Museum Mosin-Nagant Model 1944 27-02-2021 11-13-43
Bastogne War Museum Mosin-Nagant Model 1944 27-02-2021 11-13-43
Mossberg 500a 1
Mossberg 500a 1

Global statistics show how many firearms exist in the world today. The Small Arms Survey reported over one billion firearms distributed globally. About 85 percent of these are in civilian hands. In the United States, civilians hold 393 million firearms. This accounts for about 46 percent of the world's civilian total. By 2026, the number of civilian-held firearms is estimated to reach 500 million. This represents 150 guns for every 100 residents in the U.S.

AR-15 and Remington Model 870
AR-15 and Remington Model 870

Armed forces and law enforcement also control many firearms. The world's armed forces control about 133 million small arms. Over 43 percent of these belong to just two countries. The Russian Federation holds 30.3 million, and China holds 27.5 million. Law enforcement agencies control about 23 million small arms globally. This represents about 2 percent of the global total. Many different companies manufacture these tools across the world.

Kalaschnikow AK 107 noBG
Kalaschnikow AK 107 noBG
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🖼️ Images & Media (36)
File:M16_and_AK-47_comparison.png
M16_and_AK-47_comparison.png
File:Colt Autentica.jpg
Colt Autentica.jpg
File:Glock 19 Gen 4 pistol.JPG
Glock 19 Gen 4 pistol.JPG
File:Capture of English long-barreled guns in the breakthrough battle at Bapaume, March 1918.png
Capture of English long-barreled guns in...
File:Bastogne War Museum Mosin-Nagant Model 1944 27-02-2021 11-13-43.jpg
Bastogne War Museum Mosin-Nagant Model...
File:Mossberg 500a 1.jpg
Mossberg 500a 1.jpg
File:M1 Carbine Mk I - USA - Armémuseum noBG croped.jpg
M1 Carbine Mk I - USA - Armémuseum noBG croped.jpg
File:Coltm4a1.jpeg
Coltm4a1.jpeg
File:Kalaschnikow AK 107 noBG.png
Kalaschnikow AK 107 noBG.png
File:FN FAL compilation.jpg
FN FAL compilation.jpg
File:G22 ohne Schalldaempfer.jpg
G22 ohne Schalldaempfer.jpg
File:M107 1.jpg
M107 1.jpg

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