Exactly right, as I understand it, on the Soviet-made Maks, but NOT the ones made commercially for export in the Russian Federation.
Some years before he died my Dad bought an East German Mak. VERY nice handling gun, and the trigger is really quite exceptional.
"The gift which I am sending you is called a dog, and is in fact the most precious and valuable possession of mankind" -Theodorus Gaza
Baby Jesus cries when the fat redneck doesn't have military-grade firepower.