What is the formula for calculating MOA for wind when using a 5.56 round?

The formula for calculating Minute of Angle (MOA) for wind when using a 5.56 round is determined by taking into account the relationship between range, wind speed, and the horizontal deflection necessary to accurately hit a target in windy conditions. To address the specifics of option B, it combines the range in meters with the velocity in miles per hour, reflecting how both distance to the target and the effects of wind speed impact horizontal dispersion.

Multiplying the range by the wind velocity provides a direct relationship of how far the projectile may deviate due to wind over a distance. The division by 7 serves as a conversion factor to translate this result into MOA, which is a practical measurement used by marksmen to gauge adjustments needed for windage. MOA is particularly important because it allows shooters to make fine adjustments for wind effects at specific distances, ensuring greater accuracy in their aim.

This application is relevant for all shooting situations where external factors like wind can significantly impact the flight path of the bullet, especially with rounds like the 5.56 which can be affected by varying environmental conditions.