BLACKHAWK DOWN RIFLE SLING OD GRENN NYLON WEB SLING tactical sling m177e2 Gau5.
My father a Vietnam Veteran makes makes the vietnam era slings with the cotton  Straps. But he was able to get some black hawk down era It's nylon slings so I made a few like that it's just like to be it now style but made out of complete nylon should last lot longer. Remember these were still being used all the way up until Desert Storm, Iraq and Afghanistan.. You give a GI some time  and he we'll make whatever he needs to win the war.