multiple-barrel firearm
class of firearm with more than one barrel
volley gun
type of large gun
double-barreled shotgun
shotgun with two parallel barrels
Gast gun
German twin barrelled machine gun
rotary cannon
rapid-fire gun that uses multiple barrels in a rotating mechanism
Gatling gun
1860s multi-barrel rapid-fire gun of Richard Gatling
infernal machine
25-barrel volley gun made by Giuseppe Marco Fieschi in 1835
Howdah pistol
large-calibre handgun with two or four barrels
Flash-ball
trademark for a nominally non-lethal hand-held weapon
combination gun
break-action hunting firearm with at least one rifled barrel and one shotgun barrel
pepper-box
type of revolver that has both multiple chambers and multiple barrels
Gardner gun
Old Machine gun
Lancaster pistol
multi-barrel pistol