The RLM went directly to German industry with its plans—the so-called LC-6 specification issued 14 December 1941 mentioned amongst others that the weapon should not exceed 1000 mm in length, should not be significantly heavier than the Karabiner 98k bolt action standard service rifle, should be able to fire single shots from a closed bolt, provide fully automatic fire from an open bolt, feed from detachable 10- or 20-round magazines and be able to fire rifle grenades.