Compare http://img3.wikia.nocookie.net/__cb20140629135301/destinypedia/images/e/e3/Tamerlane-B.jpg http://upload.wikimedia.org/wikipedia/commons/f/fb/Improved_M249_Machine_Gun.jpg EDIT: I will concede that the MGs in Destiny are plausible though. Some just don't make as much sense when compared to modern LMGs (which is what they're obviously based on). Also, the Kriss Vector is one of my favorite modern firearms. Mechanically, it's a deceptively simple design though.