Good article, Art. However, I disagree on the covering statement that hammer forged barrels do not shoot much better than MOA, except with the loads they like.
I've had 2 CZ 527's in h.22 Hornet that shoot sub 1/2". I"m kinda pleased with that - and they still do that after 7,000rounds, perhaps that is due to the hammer forging along with only 3,300fps velocities. Nothing but pluses all the way around.
These would also make good head shooters on Kangaroos, given a decent bullet, of course.