Long gun

 ( Firearm Terminology ) 

A long gun is a category of with long Gun barrel. In small arms, a long gun or longarm is generally designed to be held by both hands and braced against the shoulder, in contrast to a handgun, which can be fired being held with a single hand. In the context of and weapon mount firearms, an artillery long gun would be contrasted with a field gun or howitzer.

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Small arms The actual length of the barrels of a long gun is subject to various laws in many jurisdictions, mainly concerning minimum length, sometimes as measured in a specific position or configuration. The National Firearms Act in the United States sets a minimum length of for rifle barrels and for shotgun barrels. Canada sets a minimum of for either. In addition, Canada sets a minimum fireable length for long guns with detachable or folding stocks . In the United States, the minimum length for long guns with detachable or folding stocks is with the stock in the extended position.

Examples of various classes of small arms generally considered long arms include, but are not limited to , personal defense weapons, , , , designated marksman rifles, sniper rifles, anti-material rifles, light machine guns, medium machine guns, and heavy machine guns.

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Advantages and disadvantages Almost all long arms have front grips (forearms) and shoulder stocks, which provide the user the ability to hold the firearm more steadily than a handgun. In addition, the long Gun barrel of a long gun usually provides a longer distance between the iron sights, providing the user with more precision when aiming. The presence of a stock makes the use of a telescopic sight or red dot sight easier than with a handgun.

The mass of a long gun is usually greater than that of a handgun, making the long gun more expensive to transport, and more difficult and tiring to carry. The increased moment of inertia makes the long gun slower and more difficult to Gun laying, and it is thus slower and more difficult to adjust the aim. However, this also results in greater stability in aiming. The greater amount of material in a long gun tends to make it more expensive to manufacture, other factors being equal. The greater size makes it more difficult to conceal, and more inconvenient to use in confined quarters, as well as requiring larger storage space.

As long guns include a stock that is braced against the shoulder, the recoil when firing is transferred directly into the body of the user. This allows better control of aim than handguns, which do not include stock, and thus all their recoil must be transferred to the arms of the user. It also makes it possible to manage larger amounts of recoil without damage or loss of control; in combination with the higher mass of long guns, this means more propellant (such as gunpowder) can be used and thus larger projectiles can be fired at higher velocity. This is one of the main reasons for the use of long guns over handguns—faster or heavier projectiles help with penetration and accuracy over longer distances.

Shotguns are long guns that are designed to fire many small projectiles at once. This makes them very effective at close ranges, but with diminished usefulness at long ranges, even with shotgun slugs they are mostly only effective to about .

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Naval long guns 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 . In informal usage, the length was combined with the weight of the shot, yielding terms like "long 9s", referring to full-length cannons firing a 9-pound round shot.

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See also

• Large-calibre artillery
• Java arquebus, a long firearm

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External links

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