A good price on some quality 223 ammo. PMC Bronze @ $6.99.

http://www.aimsurplus.com/product.aspx?item=APMC223A&utm_source=AIM+Surplus+Main+List&utm_campaign=fe556086f1-04112014&utm_medium=email&utm_term=0_6870497a6a-fe556086f1-17905601

Wolf now makes brass cased ammo. Also not bad @ $6.79. For the difference of $0.01 cents per round, I would rather go with the PMC Bronze.

http://www.aimsurplus.com/product.aspx?item=AWG223FMJ55&name=WOLF+GOLD+.223+55grn+FMJ+20rd+box&groupid=21