Once again, as Sentient Life has tried to make clear: The AR is NOT and "assault rifle." It is not an abbreviation for "assault rifle." The "Sturmgewehr" was something else entirely, as is the M4 and the M16 and the M14. Those are military issued rifles. AR rifles as available for standard sales to "the rest of us" are different. They are incapable of select fire. Go and educate yourself before shooting off your mouths and proving beyond doubt what a knucklehead you are.
Here's a rifle which may have participated in and actual assault: