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. The HS510C is an open reflex optical sight designed for rifle and carbine applications. Features include Holosun's Super LED with up to 50k hours battery life, Multi-Reticle System, Solar Failsafe, and Shake Awake. The HM3X is An Aluminum bodied 3X magnifier that includes a quick release, ambidextrous, flip-to-side mount with Absolute and Lower 1/3 Co-witness mounting solutions. Additional features include 2.75" of eye relief, IP67 certified water resistance, with windage and elevation adjustment for precision zeroing. Features: Multi-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 QRAmbidextrous 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 Shipping to USA only. Will not ship internationally. Will not ship to mail forwarding services.