An air gun is a gun that fires projectiles by means of compressed air or other gases.
Air gun may also refer to: Air gun (seismic), an energy source used in reflection seismology Air vortex cannon, a toy gun that fires air vortex rings Airsoft gun, a replica gun used in airsoft sports BB gun, an air gun designed to shoot metallic spherical projectiles Heat gun, a device used to emit a stream of hot air Impact wrench, a socket wrench power tool Vortex ring gun, a non-lethal weapon that fires gas vortex rings
See also Air cannon (disambiguation) Pneumatic cannon (disambiguation)