Not just any airsoft BB gun, the Echo1 M134 minigun has a 1700 round magazine capacity, 390 feet per second firing velocity and an integrated carry handle. It weighs in at 35-pounds, thanks to its solid CNC metal construction. Unfortunately, you’ll have to shell out $3,899 to own this minigun. Click here to view the first image in this week’s demotivational posters gallery. Continue reading for a video of the octobasse, a gigantic instrument that produces sounds lower than the human ear can hear.