Local Wal-Mart had CCI and Winchester 100 round packs yesterday. they had about 20 packs of each....I bought my obligatory 3 boxes. Got the CCI as they were cheaper at $7.47 a box vs $8.xx something....I prefer CCI anyway.
I guarantee your walmart has had 22 on many occasions over the last 4 months. 22 isn't a walk in and buy off the shelf product anymore, you need to figure it when they get shipments in it you won't find 22 there until this "hoarding" stops