I can't speak for the MCR, but I was one of the first few hundred to get in on the WK. Trudeau talked me into it. I should have waited until they got some of the kinks worked out. Mine suffered from the charging handle scraping up the receiver. I still haven't gotten that replaced. Accuracy is decent, at least for what i need. Consistently hitting 10" plate at 300. Which is good for me. Shot my deer with it this year. 55 yards, between the eyes.
WK left a bad taste in peoples mouth with the falling out between Kodiak and Wolverine. Don't let that sway you. Like someone else said, if possible, buy both and sell the one you don't like.