Just got done installing mine and it was not plug-and-play.
First off the rear pin was damn tight. Make sure you are supporting your handguaurd, I really had to tap on it pretty hard to break it loose.
Once out, the front threaded pin was about 0.003" too large for the reciever hole. After about 3 drilling (each one progressively larger), I finally got it the right size. Be extra careful here, you really should use calipers if you're going to drill, it's easy to mess up and there is no undo.
Finally, I lightly sanded, and hit where I drilled with some black aluminum touch-up paint to get rid of burs and get it looking factory again.
All in all, about a solid 2 hours; I'm sure it could have took less but I was being very paranoid and overly cautious. Will post pics later.