The model of German WW1 Schmeisser-Bergmann MP-18 The miniature model of the legendary WW1 Schmeisser MP-18 first automatic machine is made manually of steel by RUSminiGUN, a Russian studio of miniatures. You can fire it with 4mm plastic caps. The model is fully disassembled as the original machine and is fully functional. The model is made manually and therefore may slightly differ from the sample in the photo. The mechanism's similarity to the one of real Schmeisser MP-18 is 80%.