300-a few thousand depending on the machine gun.
720 rounds a minute approximately
The machine gun can shoot 400 to 500 bullets per minute, however, it wasn't that accurate.
about 500 rounds(bullets) per minute
Anywhere from 400 to 1200 rounds per minute. Some Gatling guns can fire 6000 a minute, although they may not be considered TRUE machine guns.
Depending on the gun, no limit. A belt fed machine gun can have a belt added to a belt added to a belt.
The Metal Storm is the World's fastest machine gun. It fires 1660 bullets in every second up to 1 million rounds per minute without having someone to crank it up. The Metal Storm can be an unmanned machine gun and can open fire automatically because the computer is operating the machine gun. No other machine gun in the World can fire as fast as the metal storm at that kind of firing speed. Metal Storm is one of the fastest machine gun in the World and can fire more bullets much faster than other machine guns. Metal Storm is not an actual machine gun. It is a volley gun. See the Related Question below for a better discussion of what a real machine gun is, and which has the highest rate of fire.
Fire a lot of bullets very quickly.
They both fire things called 'Bullets'
The M134 Minigun can fire anywhere from 2,000 to 6,000 rounds per minute. It is a six-barreled machine gun which uses the Gatling-gun style of shooting.
Belt Fed machine gun average holds 250 rounds. Mag Fed holds 50 rounds. Vickers canvas belt holds 300 rounds, while Maxim holds 150 rounds. Lead bullets are most often used.
You're probably thinking of the M134 'Minigun', which is capable of firing at a rate of 6000 rounds per minute.
30-45.