Difference Between .223 Rem and 5.56 NATO Brass: What You Need to Know
Understanding the Surface Similarities At first glance, the .223 Remington and 5.56 NATO cartridges appear virtually identical. Their overall length, bullet diameter, and general shape are remarkably similar. This visual likeness is the primary source of confusion and the reason why it’s essential to delve deeper than the surface. Both rounds utilize a .224-inch bullet … Read more