"I hate when..."

Horus Lupercal

Primarch - Warmaster
Professor
Swingin' on a Star
Deja Vu
Biker Mice from Mars
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600 shots per minute, to be a WW2 weapon is not bad at all
Neither is correct. 600rpm isn't a lot, most decent automatic weapons can exceed that without a problem.

That's cyclic though. Almost no weapon is actually capable of firing its cyclic rate of fire for a minute, especially not if you want to a) use it for a second minute and b) actually hit anything.

Exceptions include the Lewis/Maxim watercooled guns from WWI, that could fire continuously for nearly an hour before failing whilst mowing down walking Tommies like scythed wheat