powder springs m11 a1 m10 9 mm or m10 45 acp never had nylon slings swd m11 9 mm and swd m11 a1 380 did , maybe other remakes . ftf industries . or us machine gun sells the nylon slings .
to 401 / front strap is made from olive drab webbing or from sling . with a squire cross stitch. front hanger ls made from a m1 garande or m14 sling hanger