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Firearm

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A firearm is a tool that shoots projectiles. It works by using high pressure from a chemical propellant. This propellant is a substance that burns very quickly. In old guns, people used black powder for this. Modern guns use a different kind called smokeless powder. When the powder burns, it creates a huge blast of gas. This expanding gas pushes the bullet or pellet out of the tube.

Glock 19 Gen 4 pistol
Glock 19 Gen 4 pistol

Firearms have a very long history. The first ones began in 10th-century China during the Song dynasty. People used bamboo tubes filled with gunpowder and pellets. These were called fire lances and were used on spears. In the 13th century, people started using metal tubes instead. These were known as metal-barreled hand cannons. This technology spread across Eurasia during the 14th century.

梨花鎗
梨花鎗
Yuan chinese gun
Yuan chinese gun

There are many ways to group these tools. Small arms are light enough for one person to carry. Handguns are the smallest type of small arms. You can use a single hand to fire them. Some are pistols with a fixed chamber. Others are revolvers that use a spinning cylinder to hold shots.

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

Long guns are larger and require two hands. You usually brace them against your shoulder for stability.

Long guns include rifles and shotguns. Rifles have rifling inside the barrel. Rifling is a set of spiral grooves. These grooves make the bullet spin as it flies. This spin helps the bullet stay accurate over long distances.

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

Shotguns are often smoothbore, meaning the inside is smooth. They usually shoot many small pellets at once. This creates a spread of many impact points.

Mossberg 500a 1
Mossberg 500a 1

Many companies make firearms around the world today. In the United States, Ruger is a top manufacturer. Other famous names include Glock from Austria and Beretta from Italy. There are over one billion firearms in the world. Most of these are held by civilians. In the U.S., there are about 393 million civilian firearms. This is a very large number of tools in use.

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