Check it out...Scary as hell but damn..it would be fun to shoot that thing!! http://www.big-boys.com/articles/iraqfootage.html
Hmmmm..... no Apaches or Iraq as per the caption on that web site. It's actually a video from Dillon Aero, makers of the M134D Minigun. If fires the 7.62 X 51 NATO and the rate of fire is 3,000 - 4,000 rounds per minute. Dave - that damn thing is much too bulky, you gotta get one of these..... Image Unavailable, Please Login
I have forgotten all the stuff I used to know about guns but here is my best recollection. The 7.62x51, commonly known as the .308 Winchester, was developed from th 30-06 which IIRC is 7.62x56.