Check the listing for details. Holosun Red Circle Dot Reflex Sight Combo w/ HM3X Magnifier - HS510C+HM3X. Color: Black, Condition: New. Listed at 484.99 USD. Holosun Red Circle Dot Reflex Sight Combo w/ HM3X Magnifier - HS510C+HM3X Description Equip this Holosun HS510C Circle Dot Sight w/HM3X Magnifier Combo to adapt to CQB and longer-range scenarios in an instant. Holosun designed these Red Dot Sight Magnifiers with their Multiple Reticle System (M.R.S.) that allows you to seamlessly switch between a 65 MOA circle with 2 MOA dot, a 2 MOA dot only or a 65 MOA ring only. The Holosun HS510C Open Reflex Circle Dot Sight w/HM3X Magnifier Combo is powered by both battery and solar energy, and the LED technology allows a single CR2032 battery to provide up to 50,000 hours of operation. These sights are parallax-free and offer unlimited eye relief for the most comfortable experience possible. Get the Holosun HS510C Circle Red Dot Sight w/HM3X Magnifier Combo for two outstanding optics for a great value FeaturesMulti-Reticle System (2MOA Dot, 65MOA Circle and 65MOA Circle w/2MOA Dot)50,000 Hour Battery LifeShake AwakeTM & Solar FailsafeTM TechnologyAbsolute and Lower 1/3 Co-witness QRPicatinny Mounting OptionsAmbidextrous Flip-to-Side Magnifier MountProtective Storage CaseMagnification = 3X7 degrees FOV (approx. 37ft/100yds)Eye Relief = 70mm/2.75inExit pupil = 7.6mm/0.29inDurable Aluminum HousingShockproof and IPX7 Water ResistanceHolosun Red Circle Dot Reflex Sight Combo w/ HM3X Magnifier - HS510C+HM3X Description Equip this Holosun HS510C Circle Dot Sight w/HM3X Magnifier Combo to adapt to CQB and longer-range scenarios in an instant. Holosun designed these Red Dot Sight Magnifiers with their Multiple Reticle System (M.R.S.) that allows you to seamlessly switch between a 65 MOA circle with 2 MOA dot, a 2 MOA dot only or a 65 MOA ring only. The Holosun HS510C Open Reflex Circle Dot Sight w/HM3X Magnifier Combo is powered by both battery and solar energy, and the LED technology allows a single CR2032 battery to provide up to 50,000 hours of operation. These sights are parallax-free and offer unlimited eye relief for the most comfortable experience possible. Get the Holosun HS510C Circle Red Dot Sight w/HM3X Magnifier Combo for two outstanding optics for a great value FeaturesMulti-Reticle System (2MOA Dot, 65MOA Circle and 65MOA Circle w/2MOA Dot)50,000 Hour Battery LifeShake AwakeTM & Solar FailsafeTM TechnologyAbsolute and Lower 1/3 Co-witness QRPicatinny Mounting OptionsAmbidextrous Flip-to-Side Magnifier MountProtective Storage CaseMagnification = 3X7 degrees FOV (approx. 37ft/100yds)Eye Relief = 70mm/2.75inExit pupil = 7.6mm/0.29inDurable Aluminum HousingShockproof and IPX7 Water Resistance