Holosun HE 503R – GD Micro Gold Dot MRS Reflex Optic & 1/3 Co-Witness Mount

The HE503R-GD (Gold Dot) is a 20mm micro sight designed for rifle and carbine applications. HE503R-GD features a Rotary switch to select reticle intensity, Holosun's Gold Super LED with 50k hour battery life, and MRS (Multi-Reticle System) with 10 daylight and 2 night vision compatible reticle intensity settings. The HE503R-GD housing is made from 6061 aluminum and includes both a lower 1/3 co-witness mount (1.63") and a low mount (.75") for low-comb height rifle applications. Additional features include rubber lens covers, and a battery compartment integrated into the Rotary switch for the 2032 battery. HE503R-GD is a versatile sight for users of all levels. Items Dimensions (in inches) In the Box Lower 1/3 Cowitness Mount Low Profile Mount T10 L Key Rubber Cover User Manual CR2032 Battery Lens Cloth OPTICAL SPECS Reticle 2 MOA Dot Light Wavelength 590nm Reticle Color Gold Parallax Free Yes Unlimited Eye Relief Yes Magnification 1x Multi-Coatings Yes ELECTRONIC SPECS Power Source Battery Battery Type CR2032 Battery Life (Hours) 50000 Brightness Setting 10 DL&2 NV PHYSICAL SPECS Window Size 20mm Diameter Dimension (in) 2.75×1.43×1.62 Weight (oz) 3.53 MECHANICAL SPECS Housing Material 6061 T6 Aluminum Surface Finish MAO Adjustment per Click 0.5 MOA W&E Travel Range ±50 MOA ENVIRONMENT SPECS Storage Temperature -40℃~70℃ Working Temperature -30℃~60℃ Submersion IP67 Vibration 1000G