Summary and Key Points: The M16 rifle, designed by Eugene Stoner and adopted by the U.S. military in the 1960s, has remained a staple due to its reliability, modularity, and effectiveness.

I wonder how much blood might have been spilled on June 14, 2017, if James Hodgkinson had been armed with a .50-caliber machine gun instead of his SKS semi-automatic rifle and 9 mm handgun.