ok i got my rifle set up with 20 moa base and then i went to sight it in. i got it shooting 2" high at 25 yards and i cant get to paper at 100 yards. how high do i need to be at 25 yards. i do not own a boresighter so i have to shoot to adjust. also once i get zeroed how does the 20 moa affect poi at longer ranges? of course i will keep shooting and learning any help here is greatly appreciated.