Category
page 1Machine guns
machine gun
fully automatic mounted or portable firearm
general-purpose machine gun
machine gun adaptable for several light and medium roles
chain gun
firearm mechanism that uses an external source of power to cycle the firearm
XM214 Microgun
American prototype 5.56 mm rotary-barreled machine gun
automatic grenade launcher
grenade launcher with repeating fire mechanism
interrupter gear
aircraft armament component

list of machine guns
Wikimedia list article
Type 89
7.7 mm machine gun aircraft armament
sentry gun
non-moving military weapon usually used for defensive purposes
Foster mounting