The HS510C is an open reflex optical sight designed for rifle and carbine applications. Features include Holosun’s Super LED with up to 50k hour battery life, Multi-Reticle System, Solar Failsafe, and Shake Awake. Includes absolute cowitness QD mount. TECHNOLOGY Solar Failsafe™ Shake Awake™ Multiple Reticle System™ (M.R.S.) Super LED Multilayer Coatings FEATURES MRS:2 MOA Dot; 2 MOA Dot & 65 MOA Circle Up to 50,000 Hours Battery Life (Setting 6) 12 Brightness Setting: 10 DL & 2 NV Compatible Convenient Tray Battery Compartment Parallax-free & Unlimited Eye Relief SPECIFICATIONS OPTICAL DATA Reticle 2 MOA Dot & 65 MOA Circle Light Wavelength 650nm Reticle Color Red Parallax Free Yes Unlimited Eye Relief Yes Magnification 1x Multi-Coatings Yes ELECTRONIC DATA Power Source Solar / Battery Battery Type CR2032 Battery Life (Hours) 50000 Brightness Setting 10 DL&2 NV PHYSICAL DATA Window Size 0.91x1.26 Dimension (in) 3.3x1.68x1.78 Weight (oz) 4.94 MECHANICAL DATA Housing Material Aluminum & Titanium Hood Surface Finish MAO Adjustment per Click 0.5 MOA W&E Travel Range ±50 MOA ENVIRONMENT DATA Storage Temperature -40℃~70℃ Working Temperature -30℃~60℃ Submersion IP67 Vibration 1000G