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Firearm
A firearm is a portable gun, being a barreled weapon that launches one or more projectiles often driven by the action of an explosive force. The first primitive firearms were invented in 13th century China when the one-person-portable fire lance was combined with projectiles. The technology gradually spread through the rest of East AsiaSouth AsiaMiddle East and then into Europe. In older firearms, the propellant was typically black powder, but modern firearms use smokeless powder or other propellants. Most modern firearms (with the notable exception of smoothbore shotguns) have rifled barrels to impart spin to the projectile for improved flight stability.

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