The .22LR shortage is more than likely a “toilet paper shortage” equivalent.
“And I can’t even buy .22LR ammo anywhere.”
Here’s some .22LR for sale:
http://www.ableammo.com/catalog/cheap-long-rifle-ammo-sale-online-discount-prices-c-10480_14627_14649_14654.html
Here is some more:
http://www.gunbroker.com/Ammunition/BI.aspx