The M134 Minigun is an American 7.62×51mm NATO six-barrel rotary machine gun with a high rate of fire. It features a Gatling-style rotating barrel assembly with an external power source, normally an ...
One of the most significant of these systems was the M21 Armament Subsystem which consisted of M134 7.62-mm machine gun with the M158 (or M158A1) 2.75-in rocket launchers. These created a system ...