The use of tungsten carbide in ammunition, particularly in 5.56mm rounds, is a topic of interest due to its exceptional hardness and density, which enhance the penetrating power of armor-piercing bullets. Tungsten carbide is often used in combination with other materials to create a robust core capable of breaching armor. This article will delve into the specifics of 5.56mm ammunition with tungsten carbide cores, their applications, and the benefits they offer.