Just mounted a correct Williams peep on my Remington 700ML, and am having trouble getting the rifle to shoot on target. At 25yds, just to get things started, I have my R & L just fine, but even with the peep moved all the way up the rear ramp, I'm still 4" low. For the life of me I cannot remember if I need a taller or lower blade in the front sight slot - is that my problem? I have a fair bit of experience, but not so much with peep sights...
Or, somebody could smack me upside the head with a 2X4, and tell me what to do...

Thanks for any/all help here, folks.