Model British WW2 STEN Mark 2 This miniature model of the legendary WW2 Sten Mk2 automatic machine is made manually of steel by RUSminiGUN, a Russian studio of miniatures. You can fire it with 4mm 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 real Sten Mk2 is 80%.