Check out the video, you can see a miniature Airsoft M134 minigun that shoots a newspaper filled cardboard box at about 45 seconds, that's awesome! If you’ve got the aluminum machining chops you can make your own, thanks to lots of tutorials on the Kuba T1000’s site. The gun is capable of firing anywhere between 300 to 6,000 pellets a minute,and the huge ammo box that can hold16,000 airsoft pellets!
"Solenoid valve regulates the flow of gas (CO2). Maximum pressure is 14 Bars (203PSI). Remote control system allows to operating without any additional cables. Battery powered with two 12V aku. Magazine hold 16 000 BBs. This means that you can still shoot for a long time. Large weight prevents wearing. But if you are strong you can try. A perfect place to install is a car or a defensive position."