Ok, the wife just got me a Rem 700 SPS Tac. She also got me a Millett TRS-1 (4-16 X 50) and Picatinny Rail for it. The only thing that she did not get was tha rings. I have looked at Millet's web site and see that the offer tactical rings. I don't know if I should go with low, med or hi rings. I...