The RS Regulate AK-301M is a mounting platform that is front-biased, allowing for mounting your optic further forward closer to your rear sight . It is made of lightweight yet high-strength aluminum, weighing in and under 3oz. It allows for a direct over-bore optic placement when used with several different RS Regulate Upper Mount offerings. It also has the ability to allow for staking your upper mount for extreme use. Lower mount only, no upper mount included.