I agree with Sputnik556, about the Front Sight height. You can do as he suggested and just screw it down into the FSB a little more then usual, or you can file/grind about 1mm (0.0039") off the top of the Front Sight,
then touch it up with a little cold blue, and call it done. But either way I would suggest getting one of the National Match Front Sight Post's, as they are a little thinner then the standard Front Sight Post. Which in return, gives
you a much better sight picture, because now the Front Sight Post wont obscure as much of your target.