google video of young girl with machine gun

[bingham67]

Here some proper gattling gun action

http://video.google.com/videoplay?docid=-8704253963207439394&q=gattling+gun

 

[Lt. Manlove]

Here some proper gattling gun action

http://video.google.com/videoplay?docid=-8704253963207439394&q=gattling+gun

No wonder there's all this friendly fire with spraying like that!

 

[Treefrog]

Looks like a Browning M1919 .30 IMO.

I was thinking something along those lines - I've fired a GPMG (7.62mm NATO) and it looks pretty similar. Plus the rate of fire from a half-inch MG is a lot slower.