The export of Korean defense industry is growing rapidly. It is important to develop weaponry export strategy based on the current competition status. This study is focused on designing a concept development model for future weaponry export. The export strategy should consider the needs of the prospective buyer countries. For this purpose, the research process took the following stages. Firstly, we analyzed the weaponry information and then selected candidate weapons for export. Secondly, categorized the target countries into groups through cluster analysis. Thirdly, defined the perception map through factor analysis. We then identified the current location of the arms on the map by perception analysis and defined the opportunity space on the perception map. Lastly, we configured the concept for new weapons to export by conjoint analysis. Application of the proposed concept model design system to defense industry will bring a competitive edge in weaponry export and promote the national interest.