Product Features Compact 3 Magnification: Delivers full 3 magnification in a streamlined design that enhances target identification while keeping rifle setups lightweight. Flip-to-Side Quick Detach Mount: Ambidextrous flip-to-side mount allows instant transition between magnified and unmagnified shooting. Absolute & Lower 1/3 Co-Witness Compatibility: Included spacer allows alignment with both absolute and lower 1/3 red dot optic heights. Wide Field of View: 7 field of view provides excellent situational awareness while maintaining clear target focus. Extended Eye Relief: 67 mm eye relief offers comfortable shooting positions and consistent sight alignment. Adjustable Diopter System: 3 diopter adjustment allows shooters to fine tune focus for individual eyesight and clarity. Precision Optical Glass: High quality optical glass ensures clear, distortion free magnified images behind your primary optic. Nitrogen Purged Optics: Sealed and nitrogen purged internal system prevents fogging and maintains optical clarity in changing environments. Durable Aluminum Construction: Rugged aluminum housing with anodized finish provides strength and corrosion resistance for hard use. IP67 Waterproof Protection: Weather resistant construction protects the magnifier from water, dust, and environmental exposure. Product Specifications Flip To Side Mount: Yes Compatible with Absolute & Lower 1/3 Height Optics: Yes QD Mount & Spacer Included: Yes Magnification: 3x Exit Pupil: 7.1mm Eye Relief: 67mm Field of View: 7 Diopter: 3D Transmittance: .75 Lens Material: Optical Glass Housing Material: 7075 T6 Aluminum Surface Finish: MAO Housing Color: Black Storage Temperature: -40 C~70 C Working Temperature: -30 C~60 C Submersion: IP67 Vibration: 1000G Dimension (in) Body: 2.76" 2.44" 1.81" Body (oz) Weight: 8.47 oz Central Height Mount: 1.41 / 1.63