I haven't shot mine yet, but I am very impressed with the design and quality of build. I have two very minor comments:
1. I wish the safety switch was a bit more "ergonomic", i.e., a little bigger. And I don't know if it's possible to remove the switch on one side. I'm right handed and I find that the switch on the right side of the rifle gets in the way a tiny bit.
2. I absolutely love the handguard, but wish it was a couple of inches longer. It would be nice if Wolverine/Kodiak produced a longer aftermarket handguard for those who want them. If know there are plenty of longer aftermarket AR handguards but it would be nice to have one the same design as the original.