What Does Sub Moa Mean - One moa is an angular measurement equal to 1/60th of a degree used for determining bullet impact on a target. Web in ballistic terms, a moa (minute of angle) is the arc formed by an angle of one minute or 1/60th of 1/360th of a circle (each degree is split into 60 minutes), like degrees on a compass.
Web in ballistic terms, a moa (minute of angle) is the arc formed by an angle of one minute or 1/60th of 1/360th of a circle (each degree is split into 60 minutes), like degrees on a compass. One moa is an angular measurement equal to 1/60th of a degree used for determining bullet impact on a target.