The HM3XT is a compact, titanium bodied, 3X magnifier designed for use in conjunction with a red dot sight. The HM3XT is feature-packed and includes a quick release, ambidextrous, flip-to-side Picatinny rail mount. Holosun includes a spacer with the HM3XT that provides compatibility with absolute and lower 1/3 co-witness dot heights for maximum compatibility. The HM3XT has a generous 2.75” of eye relief, is IP67 certified water resistant, and includes windage and elevation adjustment for precision zeroing to your optic’s zero. The HM3XT also includes a built-in flat driver tool for easy adjustments. PHYSICAL SPECS Window Size 0.58 x 0.77 Dimension (in) 3.2 x 1.8 x 2.5 Weight (oz) 11.6 MECHANICAL SPECS Housing Material Titanium Surface Finish Titanium Adjustment per Click N/A W&E Travel Range N/A ENVIRONMENT SPECS Storage Temperature -20℃ ~ 65℃ Working Temperature -20℃ ~ 51℃ Submersion IP67 Vibration 1000G MAGNIFICATION SPECS Digital Zoom 1x 2x 4x 8x Transmittance 75% Diopter N/A Field of View 7 Degrees Eye Relief 70mm Exit Pupil 7.6mm Magnification 3X