The MP-35 is one of several very nicely made inter-war German submachine guns. Unlike most, it has the magazine mounted on the right, and ejects out the left - a configuration chosen to standardize the manual of arms with the K98k style bolt handle. The MP-35 is also unusual in having a progressive type of trigger - although it's not really a normal progressive trigger even. Instead, it is a normal sort of trigger for semiautomatic fire, and a second lever below the trigger which must be pulled for full auto fire. I suspect this will take a bit of getting used to...