Put it back while it’s still fairly cheap and reasonably available. Put back what you think you might need for the rest of your life, just in case.
I plan on living a while, so I’m stacking big 
Selco lived through it, and he suggested lots of ammo. I can always trade it if I have too much, and I have seen it suggested at SilverDoctors and also in real life, where 22LR will likely become a form of “currency”. I believe this. It is already looking like it will be as good as money, Better, as compared to the U$Dollar.
"ROGUE ELECTRICIAN" Hoping to be around to re-energize the New World.....
Cogito, ergo armatus sum