2 downloads

| Rounds | 15 |
|---|---|
| Type | Diagnostic |
| Formats | A4 / US Letter |
Both formats print at true scale. Set the printer to 100%, not "fit to page", then check the 1-inch calibration mark in the footer of your first print. Print the calibration test sheet and measure it
When an inch is too coarse to see the change — rimfire at 25 to 50 yards, and anything scoped, where a load change moves the group a quarter of an inch.
At 100% / actual size on A4 or US Letter, so the squares are a true half inch.
The numbers are still whole inches; every second line carries one. Count lines for half-inch precision, read the numbers for the inch total.
Yes — free printable PDF in A4 and US Letter.