looking for some answers!put it on a howa 1500 .243,base,rings are tight,had it at one time 2 1/4" high at 100,i wanted it at 2",so i moved it down 1 click,which should have been 1/4,wel next two shot 3/4 high at the target?how did it jump that much?from 2 1/4 to 3/4?