I did and I’m am very happy i traded my geniii. In my opinion, Optically they are very close to each other, eyebox is better on the Zco, turrets, mag control and parallax are worlds better than the gen iii. I was really disappointed with how they took what was working (gen ii) and broke it. Sure you can send it back to the factory to be improved but still never going to be as nice as a Zco. Edge to edge clarity was better for me on the Zco as well. Take the plunge and don’t look back. Plus it’s only a few hundred dollars more to upgrade.