Data on Previous Engagements (D.O.P.E.) is helpful, but it doesn’t work if you can’t access it quickly.  Data based on previous range work can be written on your scope turrets, scope cover or butt stock.  This your  allows you to have D.O.P.E. when you need it.  With a  simple adjustment you can get a first round hit on that long shot.

Ryan Cleckner is a former Army Ranger and special operations sniper who shares practical tips on long-range shooting techniques learned over years of training and hard-earned experience.

This article is courtesy of The Loadout Room.