New for 2019, Holosun is proud to introduce the best magnifier value on the market today. The HM3X line of magnifiers will allow the operator to seamlessly transition from unmagnified to 3X magnification. The new Holosun HM3X features an adjustable diopter to dial in the desired focus, extremely clear glass, and very generous eye relief. Mounting options include an integrated QD mount with an optional spacer for Absolute Co-witness and Lower ? Co-witness. Holosun's HM3X comes in a durable Aluminum housing.Flip to the Side designCompatible with Absolute and Lower 1/3 Height OpticsQD Mount and Spacer IncludedIP67 CertifiedHolosun Limited Lifetime WarrantyMagnification - 3XExit Pupil (in) - 0.29Eye Relief (in) - 2.75F.O.V. (degrees/ft) - 7Adeg /37 ft at 100 ydsDiopter - A 3DTransmittance - 0.75Lens Material - Optical GlassStorage Temperature - -40? - 158?Operating Temperature - -22? - 140?Humidity (%) - 0.95Waterproof - IP67Nitrogen (Concentration) - 0.9999Housing Material - AluminumSurface Finish - MAOHousing Color - BlackDimension (in) - 3.9x1.6x2.4Weight (oz) - 9.8