Sight-in instructions are printed on some targets available from retail outlets or manufacturers. The sighting-in process for most centerfire rifles begins at 25 yards and then should be repeated at 100 yards. The basic steps involve firing at least three shots carefully and consistently at a target. If the bullets form a relatively small group of holes on the target, but not where you were aiming, the sights will have to be adjusted.
When adjusting peep or telescopic sights, the rear sights or dials are adjusted by a certain number of minutes-of-angle or “clicks” in a certain direction. Read the sight’s instruction manual to see how much each click changes the sight at 100 yards.
minutes-of-angle: The standard measurement unit of shooting accuracy; one minute-of-angle (MOA) is 1/60 of one degree, or approximately one inch, at 100 yards |