Most of you drive cars, and have voted on various aspects regarding them. But how many can identify all the parts and systems your vehicles make use of, probably only the professional mechanics. So only professional mechanics can have opinions regarding vehicle legislation?
All of you are using either a cell phone, a tablet, or a computer to post here. But how many of you can describe in detail how you device works, down at the CPU level? Only nerds can have opinions on laws regarding the placement of cell towers?
In RE laws regarding medical malpractice, do you have to be a doctor, or a lawyer?
AR in AR-15 refers to Armalight, the company in the 1950's that first made a rifle of that designation, and the company that sold the rights to Colt. A magazine holds bullets, not a clip. A .223 round is only a tiny bit bigger in bore requirement than a .22LR round. But the shell casings are hugely different, resulting in much longer distances and a much larger punch.
How much more do I have to know to be reasonable certain that a weapon, in the hands of a seasoned user, not Miculek or similar pro,,can deliver 18 rounds in under 4 seconds should have some restrictions or impediments placed on its sale of new ones?
It has proven itself capable of mass slaughter in very short time frames, even if it does not meet the dictionary definition of an "assault" rifle. Parkland and Las Vegas were not "assaulty" enough for you, just because the weapons used were "only semi-auto?"