List of equipment of the United States Army - Wikipedia
The M240, MK 19, and M2 machine guns can be mounted on vehicles. The M134 Minigun, fires 7.62mm ammunition at 3,000 to 4,000 rpm. The M3P Machine Gun, an M2 variant with a higher rate of fire mounted on the Avenger Humvee. The GAU-19, a rotary gun that fires .50 caliber ammunition. Mounted on Humvees and helicopters.
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