The AUG A3 is a realistic military assault rifle with a sleek, modular design featuring a bullpup configuration. It has a predominantly black polymer body with metallic components, including the barrel, receiver, and rail systems. The rifle includes detailed textures such as matte finishes on the polymer parts, slightly worn metallic surfaces, and tactical rail mounts for attachments. Distinctive design elements include the integrated carrying handle, adjustable stock, and a prominent magazine well.