Cabela's has some Herter's .223 in stock (steel cased) for $6.99/20. Unfortunately, there is a 5 box limit. With shipping, it comes to around 43 cents a round. LINK
It sucks that a decent price on steel cased ammo is comparable to what we paid for good brass a few months ago.
This post was edited on 3/16 at 2:08 am