Long gun
The term long gun is used to describe classes of firearm and cannon with longer barrels than other classes. In small arms, a long gun is designed to be fired braced against the shoulder, in contrast to a handgun, while in artillery a long gun would be contrasted with a howitzer or carronade.[1][2]
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[edit] Small arms
The actual length of the barrels of a long gun are subject various laws in many jurisdictions, for example by the National Firearms Act in the United States, which sets a minimum length of 16 inches (40 cm) for rifle barrels and 18 inches (45 cm) for shotgun barrels. Canada has a limit of 18.5 inches (47 cm) for either. In addition, both countries put a minimum fireable length for long guns with detachable or folding stocks of 26 inches (66 cm).[3]
Examples of various classes of small arms generally considered long arms include, but are not limited to:
[edit] Advantages of long guns
Almost all long-arms have front grips (forearms) and shoulder stocks, which provides the user the ability to hold the firearm more steadily than a handgun. In addition, the long barrel of a long gun usually provides a longer sight plane for iron sights, providing the user with more precision when aiming.
Shotguns are long guns that are designed to fire many small projectiles at once. This makes them very effective and easy to aim at close ranges, but with diminished usefulness at long range.
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In historical navy usage, a long gun was the standard type of cannon mounted by a sailing vessel, called such to distinguish it from the much shorter carronades. In informal usage, the length was combined with the weight of shot, yielding terms like "long 9s", referring to full length 9 pound cannons.
