I hope i'm not necro posting :s
but i found some nice peps for some weapons on a russian websight.
here are the links;
http://only-paper.ru/news/2010-07-05-5272-0-6 M4 / M16 (not Pep)
http://only-paper.ru/news/ak_47m_paper_manufacturing/2010-07-04-5268 AK-47 (not pep)...