good post with exception to the bold ...
an AR 15 or AK 47 that is legally owned by private citizens are NOT Military grade firearms
an M16 or M4 is military versions of the AR they have burst mode/ full auto capabilities that the AR simply does not have
same with the AK the civilian versions like the AR have no burst mode or full auto mode
if either did they would be $8,000 and up in price and would require a federal tax stamp in order to purchase ...
this " military grade crap" is the evening news and uninformed politicians spouting off about things in which they have no clue about ...
semi auto 1 shot fired for every 1 trigger pull not much different in that found in old wheel guns ( 6 shooters / revolvers ) used in the old west
one of my AR's here
note the bullet chart ( ar is .223 / 5.56 ) I hunt deer with a 30.06 note the size in that round also in pic below
lastly the primary 2 reasons the US Military went from 30 caliber to the M16 ( 22 caliber ) is
1) ammo weight was a huge factor you can carry way more rounds of smaller lighter ammo into battle
2) it is a far less lethal round , meaning you could shoot 1 person and effectively take 2-3 more out of the battle for a time while they drug their wounded compatriot to safer ground