Yes as i used to zero mine at 20 yards and shoot out to 60 yards download chair gun pro enter your info such as B.C, zero range, pellet, mag, scope height, also your muzzle velocity.Then where it say's zero range right click it and optimise ozr then it will give you the best range to stay with in the kill zone.Also when you have done this print of a milldot chart then you should be smack on hope this helps
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