Do you hate aircraft? Do you hate anything what can fly? Do you want to destroy them? Then you are in a right place! Just join this group, and take control over one of our AA systems then you can blow them out of the skies! (header image done by vlado32)
Used in Russia during WW2
I would call it "Quad cannon"
this gun is great, the weapon used as stationary and vehicles like the 1937 GAZ-AAA
Here you can see
O5m6.de
also you need a little more information
this weapon is called Maxim M4M AA gun
but it is a good job
Wow that's a lotta dakka.