You might want to look at the EAA combo gun 12ga/223 with choke tubes, weaver base at listed & lbs and barrels are adjustable for POI. Bud's has them for $479 right now.
http://www.budsgunshop.com/catalog/...nut+12+Ga223+Rem.+Combo+wPicatinny+Rail/If i didn't have a Bernardeli in 12ga/5.6x50R I'd grab one right now. This is a great coyote rig.