A multiple-barrel firearm is any type of firearm with more than one gun barrel, usually to increase the rate of fire or hit probability and to reduce barrel erosion or overheating. == History == === Volley gun === Multiple-barrel firearms date back to the 14th century, when the first primitive volley guns were developed.
A multiple-barrel firearm is any type of firearm with more than one gun barrel, usually to increase the rate of fire or hit probability and to reduce barrel erosion or overheating. == History == === Volley gun === Multiple-barrel firearms date back to the 14th century, when the first primitive volley guns were developed.
Source: Wikipedia "Multiple-barrel firearm" · CC BY-SA 4.0
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