Lego Minigun Vulcan Posted August 13, 2014 in Other Gear & Gadgets by Nicholas C with 13 CommentsTags: lego, minigun, Vulcan TA Vision Studios and LEGOVulcan made a working replica of a M134D Vulcan. It has a ROF of 2500 RPM. It does not really fire but it spits out yellow technic pieces like spent brass.