Josef Schulz is a former active gun marksmen and coach. After he finished with the active shooting and coaching he started engaging in the research and development in the field of air guns ammunition production. Based on his personal experience, later he had stamping machines made, on which he started to produce the ammunition. In 2008 JSB Match Diabolo a.s., which bought Josef Schulz’s company, linked up with the previous Schulz’s activity and soon after changed into an incorporated company.