Just like its beef sibling, the chicken CBO, here the grilled one, is tangy/juicy/savory/salty/meaty goodness on a sturdy bun. I won't dwell too much on the assembly or contents, which apart from the aforementioned meat change, is identical.
McDonald's Grilled Chicken CBO
And the crispy (fried) version is equally tasty. The large crunchy chicken breast finally gets some topping love and is no longer the bland, dry and lonely core of the previous chicken sandwich lineup.
McDonald's Crispy Chicken CBO
Very good, McDonald's. The only thing I worry about is that dang "for a limited time" tag that appears on every new menu item. At this point McDonald's you have a winner. My only advice: keep it!