With the advent of high-tech and information interaction era, the time, region and environment of modern warfare are facing increasingly complex and ever-changing situations. The traditional individual combat weapons, spears and shields, have evolved from conflicts of 2D perspective to battles of 3D and multi-dimension supported by high intelligent technology. Individual soldiers are the most fundamental units of a conflict, dispute, battle and war, and countless individual soldiers are the soul of a legendary battlefield victory. Individual weapons are legendary blades and spears. Individual weapons may look simple and cheap in appearance, but in essence, they are a vivid reflection of a country's overall industrial, manufacturing, and technological strength. NATO is a military organization established to encompass world's major military, economic, and industrial powers. With advanced military combat concepts, excellent human-machine ergonomics experience, rich military combat experience summary, and excellent production and manufacturing techniques, its individual combat weapon systems have been rapidly developed, deployed, and popularized, and have withstood the test of military conflicts in various hot areas in recent years, making NATO-made individual weapons play highly competitive roles in the international individual weapon market.