 and then as a sniper when you would set up you'd put together your range sketch or your range fan cards and that would tell you where you're 100 you're 200 to 300 and you'd identify the areas of threat that you would be able to mitigate and if there's multiple targets you understand that your elevation and windage knob wouldn't have to be messed with especially at 160 yards you could literally just look quickly glance and know from the reference point whether it be a building whether it be a lone tree whether it be a parking lot maybe it's a road