Multi-barrel machine guns

1860s multi-barrel rapid-fire gun of Richard Gatling, or its 1880s-1890s variants

fast-firing automatic weapon with many barrels

20 mm gatling type rotary cannon

close-in weapon system for defense against anti-ship missiles

30 mm Gatling-type autocannon aircraft armament

A mitrailleuse (; from French mitraille, "grapeshot") is a type of volley gun with barrels of rifle calibre that can fire either all rounds at once or in rapid succession. The earliest true mitrailleuse was theorized and proposed in 1851 by Belgian Army captain Fafschamps, ten years before the advent of the Gatling gun. It was followed by the Belgian Montigny mitrailleuse in 1863. Then the French 25 barrel "Canon à Balles", better known as the Reffye mitrailleuse, was adopted in great secrecy in 1866. It became the first rapid-firing weapon deployed as standard equipment by any army in a major

30 mm Gatling-type autocannon aircraft armament

submachine gun

23 mm Gatling-type autocannon aircraft armament

7.62 mm Gatling-type machine gun

type of organ gun

American prototype 5.56 mm rotary-barreled machine gun

20 mm Gatling-type autocannon aircraft armament

The GAU-19/A (GECAL 50) is an electrically driven, three-barrel rotary heavy machine gun that fires the .50 BMG (12.7×99mm NATO) cartridge.

rapid-fire gun that uses multiple barrels in a rotating mechanism

The DP-64 Nepryadva is a Russian special-purpose double-barreled over/under grenade launcher designed to protect surfaced submarines, ships, dockyards, water development works, and other coastal installations from combat swimmers and naval special forces. The weapon is breech-loading and operates much like a large shotgun with a side-break breech, utilizing both direct and indirect iron sights. The weapon is capable of firing grenades indirectly at ranges up to ; however, these grenades act much like small depth charges, attacking submerged swimmers like true depth charges attack submersibles.

type of regimental artillery field gun

German twin barrelled machine gun

Old Machine gun

The Fokker-Leimberger was an externally powered, 12-barrel rifle-caliber rotary gun developed in Germany during the First World War. The action of the Fokker-Leimberger differed from that of a Gatling in that it employed a rotary split-breech design, also known as a "nutcracker".

gatling gun

type of Machine gun

Special purpose machine for mechanical work