Thanks to Trap, I decided to hit a couple of local Wal-Marts and was able to find some .223. It was the Russian Tul-Ammo brand (steel cases) but was only $5.67/box (20 rnds), so I bought my limit (3 boxes). So, 60 rounds for $17.00, not too bad, I just hope it runs through my Mini-14 OK.