" the main features the distinguish the ANH DLT-19 prop from a stock MG-34 are a conical disk on the handle, a metal box covering the ejection port and T-tracks on the barrel shroud. but first i will provide references and data for a original MG-34 machine gun" - (Dashrazor)
http://www.whitearmor.net/forum/topic/14837-advanced-anh-weaponry-dlt-19/
Here is a link to my blueprints thread too
http://www.whitearmor.net/forum/topic/33273-dlt-19-illustrator-and-pdf/