"On the bright side I mounted a Leupold FX-II 2.5x28 Scout scope on the 223 x12ga and was shocked at how accurate it was, it shot 1 1/2"groups or less..."

No kidding about its accuracy! With my bad eyes, a 6-7# trigger, and a 2-7x Leupold, twice I've put five .223 rounds into 1.5"---at 300 yards!