What is MOA on crossbow scope?

Each time you move the windage or elevation dials you’ll hear a click. Each click represents a specific unit of adjustment measured in Minutes of Angle (MOA). Most scopes will provide you with 1/4-inch adjustment from 100 yards for every click.

What grain arrow is best for crossbow?

Standard Weight Arrows (400-459 Grains) The standard weight crossbow arrows are properly named since most manufacturers include arrows weighing between 400-450 grains in a standard crossbow package. Also when looking at a crossbows speed most manufacturers advertise the speed as shot with a 400 grain arrow.