Horn Hunter, the originals were made in China, these are made in Korea.. Other than that, they have my own custom wood grain pattern. I have been testing them for over a year and find them to be at least as good if not better. Their consistency is better (not that the originals were bad) and the durability has proven to be even better if that was possible.
As far as shooting goes, I have tested the 340's as that is what I shoot and they shoot the same. One of my employees has been testing the 600's and a friend the 400's. We have found all of them to shoot the same.
Thanks, Bigjim