Yes, I've noticed that as well. I'm assuming that's something to do with the powder used? I've not really seen a POI shift when shooting on paper between the two though.I am just finishing up a case of the Wolf Gold and had no issues with it. The main difference I’ve seen between that and the 5.56 is that the 5.56 throws a bigger fireball than the Wolf Gold does.
Overall, I liked shooting it. Brass cased and gave me no issues at all.