A new gun or new scope installation I get it on the x at 25 yds. This usually takes me1 to 4shots so I am comfortable it will be on paper at 100. I do 3 shot groups at 100 and allow my barrel to cool down while I am adjusting. With 1/4" per click it is usually pretty easy to find an acceptable performance on a rest. On the average if I am just sighting in before the season I shoot from 3 to 6 times to get my gun shooting good. I have 4 guns I usually sight in just before the season so I get plenty of shooting between the 2 rifles I use, the shotgun with slugs and the ML.