UGH I hate you people. The LMG36 is about as real as the LMG11.
Only ever made in prototype, and it's never been issued to anyone ever. Not even the Bundeswehr.
It got rejected in
1995, and any pictures you see of any German soldiers with an "LMG36" is actually just a G36 with a Cmag.
http://www.imfdb.org/wiki/Heckler_%2..._.26_Koch_MG36