JOHN HINDERAKER: The Obama Administration’s AR-15 Ammo Ban: What’s It All About? “Critics of the ban suggest that the Obama administration is trying to achieve a ban on AR-15 rifles through the back door. This ATF standard won’t achieve that result by itself, of course, as most AR-15 ammunition will remain legal. But the fear is not irrational; liberals have openly argued for attacks on ammunition as an indirect means of achieving gun control.”