Last night I was out in my work shop kicking around some foam & pvc pipes, and this is what I have come up with so far. Still have to work on the belt links, top off the ammo boxes, and put both front & rear handles on. Plus paint.
Put the front & rear handles on with some paint on the weapon. Still need to put some wear & tear, plus some batle damage on it. This thing is arounds 5 lbs total with out the ammo feed system, and belt links, still need to build that stuff, and put it on.