Just got an email from Centerfire Systems about free shipping for orders over $99 and found that they have .223 FMJ, Polymer, Russian Mfg. 55GR Loose Ammo 100rds for $34.99.
http://centerfiresystems.com/223-100.aspx
They also have Russian 7.62x39 FMJ Loose Ammo 100rds for $29.99...