The Holosun HM6X 6x Flip Magnifier is a flip-to-side 6X magnifier designed for use in conjunction with a red dot sight. The HM6X is feature-packed and includes a quick release, ambidextrous, flip-to-side Picatinny rail mount. The 7075-aluminum housing features a removable spacer which provides compatibility with both absolute and lower 1/3 co-witness dot heights for maximum compatibility. The HM6X has a generous 2.55" of eye relief, is IP67 certified water resistant, and includes windage and elevation adjustments for precision alignment with your red dot sight zero.FeaturesQD Picatinny Mount IncludedEasily Align to Red DotIP67 Water Resistant