hey guys, did some searching and couldn't find anything, but i'm looking at getting a nikon buckmaster 6-18x40 w/ mildot, and i'm wandering how much internal adjustment they have w/ the 1/8 moa adjustment. shooting a .243 w/ 105 A-max's around 2700 fps and just wondering if i need a 20moa base to go w/ the scope. haven't shot out to 1000 yet, but if i want to i would like to be prepared. any info is appreciated. thanks