Ammo info site...

[coppertales]

This has probably been posted before but I live under a rock..... http://www.ammoengine.com/find/ammo_stats/rifle It lists ammo prices by store.....chris3

[O.S.O.K.]

How about this: http://ammoseek.com posted by imanakanut down in the ammo forum.

Quick check of .223 showed a bit better pricing on this site than the above - not a scientific study.... ;)