+A firearm is a [Weapon](/wiki/weapon) designed to launch a [Projectile](/wiki/projectile) by the force of rapidly expanding gas. This energy, typically from the combustion of a propellant, propels a projectile at high velocity from a barrel.
+## See also
+- [Ammunition](/wiki/ammunition)
+- [Rifle](/wiki/rifle)
+- [Pistol](/wiki/pistol)
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