+1 to Ammojunky,I have fired 5.56 in a 223 rem chamber and have seen excessive pressure signs including almost head case seperation and Loose primers that would not even stay in and just rattle around.(NOt smart to shoot 5.56 in rem chamber).I don't believe wolf is 5.56 specs(not sure on that).You say the cases wont fit in the shellholder well??I would be conserned that the heads are expanding to much(if this is brass your talking about) from excessive pressure.If you are trying to resize steel cases I would just forget that for the reasons Ammojunky mentioned,
JMO..