http://www.thegunzone.com/556v223.html
http://www.ammo-oracle.com/body.htm#chamb
If you are looking for accuracy. go with federal Gold Match serria match king .223 rem
if you want stopping power go with honady TAP in .223 rem
if you want cheap go 5.56 nato surplus
if you want 5.56 that is more accurate than cheap surplus use lake city
http://www.ammo-oracle.com/body.htm#chamb
If you are looking for accuracy. go with federal Gold Match serria match king .223 rem
if you want stopping power go with honady TAP in .223 rem
if you want cheap go 5.56 nato surplus
if you want 5.56 that is more accurate than cheap surplus use lake city