There's the biggie. This is gun registration pure and simple, if you ever plan to buy another bullet in Kali.
3) "It will now become illegal to buy ammunition online or by mail order. It may become impossible to buy any ammunition not stocked by dealers. "
There's the biggie.
Yep. Then certain calibers become scarce, and therefore expensive. Primers, reloading equipment, powder is next...
History tells us, that black markets flourish in this type of environment...along with revolution.
5.56mm