Feinwerkbau was founded after the Second World War by senior engineers Karl Westinger and Ernst Altenburger.Until 1960, the production and delivery of precision parts for well-known companies was the main source of income for the young company.In addition, an electromechanical calculating machine was developed, which was considered state-of-the-art at the time and was manufactured in large quantities by the Olympia factory in Wilhelmshaven. Until 1975, all Olympia calculators were developed in Oberndorf until they were ready for series production.

After the re-establishment of the German Shooting Association, the two founders of the company, both experienced gunmakers, developed the first competition air rifle with side cocking, a fixed ...