Knowra Guns Guns Guns are portable weapons that launch projectiles, usually by expanding gases generated when a propellant burns. They range from hand-held firearms to crew-served weapons.
Firearm action : A firearm action is the mechanism that loads, fires, extracts, and ejects ammunition. Actions determine how a gun cycles between shots and whether it reloads automatically.
Firearm : A firearm is a weapon that expels a projectile through a barrel using energy from burning propellant or another source. Guns are commonly treated as a class of firearms, though usage varies.
Gunpowder : Gunpowder is a chemical mixture that burns rapidly and produces hot gases used to propel projectiles. Its adoption made early guns possible.
Rifle : A rifle is a long gun with a rifled barrel, designed to fire a projectile with spin stabilization. Rifles serve military, sporting, and hunting roles requiring aimed projectile fire.
Gunpowder warfare : Gunpowder warfare is armed conflict in which firearms and other gunpowder weapons play a central role. Guns changed battlefield tactics, fortifications, and military organization.
Internal ballistics : Internal ballistics studies projectile motion and pressure changes inside a firearm before the projectile exits the muzzle. It explains how expanding propellant gases accelerate a projectile through the barrel.
Ammunition : Ammunition is the material fired, launched, or otherwise used by a weapon. For most guns, ammunition supplies both the projectile and the propellant.
Hand cannon : A hand cannon is an early firearm consisting of a small metal barrel ignited by an external flame or hot material. It is among the earliest portable forms of gun.
Pistol : A pistol is a handgun designed to be held and fired with one hand, typically using a chamber integral to its barrel assembly. Its compact form makes it a distinct class of portable gun.
Gun violence : Gun violence is injury, death, or threat caused by the use of firearms. The harms associated with guns shape public-health and policy debates.
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