Got several sets of them on M99s. Never had any trouble seeing the sights over them with the scope flipped to the side. Never had any issues with them not returning to zero either. Good stuff. Just make sure that they're properly locked in place before you head into the woods.

Go tell the Spartans,Travelers passing by,That here,Obedient to their laws we lie.

I'm older now but I'm still runnin' against the wind