No, this isn't just some toy. The Echo1 M134 MiniGun will set you back a cool $3900 and it's capable of firing plastic pellets at a rate of 'several thousand rounds per minute'. According to OhGizmo, "this battery-powered, hip-mounted, 35-lbs monstrosity fires its rounds at 390fps, fast enough to pierce through glass tubing." Continue reading for a video and more information.
OhGizmo reports that "a 1,700 round magazine ensures you don't run out of ammo in a split second, and it comes with two interchangeable barrels of differing lengths. The whole kit ships in a wooden crate and comes with a certificate of authenticity."