Double Naughty Spy....start at the top and re-read.This is an XLM, it is not hand operated. As noted, it is an automatic and utlizes a system that is rare as well, friction strip. It is a tour de force of engineering and can be seen at the National Firearms Museum or the Cody.These shots were taken when I arranged the delivery of over 100 Semmerlings to three institutions (the third was the Smithsonian).It included...LM1 (never seen by the general public)LM2 (Never seen by the general public)LM3 (Never seen by the general public)LM4 (seen rarely, and including the rariest variations)XLM (Never seen by the general public and the shots above were the first)Here is a shot of the gun you mistakenly referenced, the LM4.