1
Optic
Choose your optic
Picking an optic fills these in. Type your own value to switch to Custom.
2
Distance
3
Inches per click
Windage L/R
–
Elevation U/D
–
4
Correct your group
Measure from your point of aim to the center of your group, in inches.
Elevation correction
Enter a vertical miss
Windage correction
Enter a horizontal miss
Turn direction differs by brand. Follow the arrows or "UP" / "R" markings on your adjusters, then fire another group to confirm. Don't chase a single shot.
Inches per click by distance
| Distance | Windage | Elevation |
|---|
Values from manufacturer published specs; always confirm with live fire. Inches per click = MOA × 1.047 × (yards ÷ 100), or MRAD × 3.6 × (yards ÷ 100).