Re: Scope Reticle and Scope Base Help
From another newbie who had the same questions.
It depends on how you want to accomplish shooting at long ranges and if you need any sort of rangefinder abilities in your scope.
The method I chose after some research is the way people tend to shoot much longer ranges - use a rangefinder to determine the range, and have a scope with a "standard" reticle, target knobs and a drop chart to accurately reach the predetermined range. To do this in the Leupold world, some use a standard duplex, fine duplex (what I chose) or a target dot.
If you need to use your scope as a ranging device or want to use a modified holdover, you would need a mil-dot or variation of mil-dot. If using something other than Leupold, Nightforce has some interesting retcles to accomodate this (NPR-2) as does Burris (Ballistic-Plex).
I am sure some of the experts here can give you more or better information, but I hope I helped.