Best Practices for Recording Zero Settings for Different Loads?

Establishing a Load Data Book

Create a load data book or spreadsheet to record the zero settings for different loads. This should include columns for the specific ammunition, bullet weight, zero settings (elevation and windage), and any notes or comments. Consider using a consistent format, such as recording the ammunition type, bullet weight, and zero settings in a specific order.

Measuring Zero Settings

To measure the zero settings, start by shooting a target at 100 yards with the rifle sighted in for the specific load. Record the elevation and windage settings used to hit the center of the target. Then, shoot a target at 200 yards and record the new elevation and windage settings required to hit the center of the target. Compare these settings to the original settings to determine the elevation and windage adjustments needed to zero the rifle for the specific load.

Zeroing for Multiple Loads

When zeroing the rifle for multiple loads, start with the lightest load and work your way up to the heaviest load. This helps prevent over-correcting the rifle and ensures accurate zero settings for each load. Use a consistent shooting technique and maintain a steady shooting position to minimize errors. Consider using a chronograph to record the velocity of the ammunition, which can help identify potential issues with the rifle or ammunition.