I have a new 700RUM sendero and purchased a 20 MOA picatinny rail with medium height burris extream tactical rings. I am using a zeiss 6 x 20 x50 conquest and with everything mounted, the distance from the barrel to the bottom of the scope is 1/2". It seems execessive and I am worried how accurate it will be with the 1/2" gap? I am use to 1/16" to 1/8" gaps for accuracey. This is the first time I have used a system like this. I dont know how much lower the "low" rings may bring it down but Idon't expect much looking at how these rings are made. I want to be able to shoot to 1K and need to know if this set-up is ok. My others guns shoot to 1K but are allot closer to the barrel. Thanks for your help!