{"product_id":"holosun-hs403c-red-dot-sight-hm3x-3x-magnifier-combo-hs403c-hm3x","title":"Holosun HS403C Red Dot Sight \u0026 HM3X 3x Magnifier Combo","description":"\u003cp\u003eThe \u003cb\u003eHolosun HS403C and HM3X Combo (HS403C-HM3X)\u003c\/b\u003e pairs the \u003cb\u003eHS403C\u003c\/b\u003e 20 mm micro red dot sight — a 2 MOA red dot with Solar Failsafe and 12 brightness settings — with the \u003cb\u003eHM3X 3x flip-to-side magnifier\u003c\/b\u003e, both units supplied with mounts. UPC 810047071624.\u003c\/p\u003e\u003cp\u003eThis is the value route into a complete red dot and magnifier setup. The HS403C is the compact 20 mm micro dot: a clean 2 MOA aiming point, solar backup, Shake Awake and up to 50,000 hours from a CR2032, and it ships with both absolute and lower-1\/3 mounts so it can be set at whichever height suits the rifle. The HM3X adds 3x behind it with 2.75 in eye relief, an adjustable dioptre and an ambidextrous quick-detach flip mount with a co-witness spacer. Both units are 6061-T6 aluminium and rated IP67.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eHow It Compares\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eFor a much wider window and the switchable circle-dot reticle, the \u003ca href=\"\/products\/holosun-hs510c-red-dot-sight-hm3x-3x-magnifier-combo-hs510c-hm3x\"\u003eHS510C and HM3X combo\u003c\/a\u003e is the step up. The magnifier is sold separately as the \u003ca href=\"\/products\/holosun-hm3x-3x-magnifier-qd-flip-to-side-mount-black-hm3x\"\u003eHM3X 3x magnifier\u003c\/a\u003e, with the \u003ca href=\"\/products\/holosun-hm3xt-3x-magnifier-qd-flip-to-side-mount-black-hm3xt\"\u003eHM3XT titanium 3x magnifier\u003c\/a\u003e and the \u003ca href=\"\/products\/holosun-hm6x-6x-magnifier-qd-flip-to-side-mount-black-hm6x\"\u003eHM6X 6x magnifier\u003c\/a\u003e as the upgrades. Browse all \u003ca href=\"\/collections\/red-dot-magnifier-combos\"\u003ered dot and magnifier combos\u003c\/a\u003e and every \u003ca href=\"\/collections\/holosun-rifle-red-dot-sights\"\u003eHolosun rifle red dot sight\u003c\/a\u003e we stock.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eIdeal For\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eA first red dot and magnifier setup bought as a matched, budget-conscious pair\u003c\/li\u003e\n\u003cli\u003eCivilian Service Rifle and practical rifle on straight-pull AR-pattern carbines\u003c\/li\u003e\n\u003cli\u003eLightweight micro-dot builds where a full-size window is not wanted\u003c\/li\u003e\n\u003cli\u003eRimfire and pistol-calibre carbines running a Picatinny rail\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cb\u003eKey Features\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eSight:\u003c\/b\u003e HS403C 20 mm micro red dot sight with a 2 MOA red dot\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMagnifier:\u003c\/b\u003e HM3X 3x with 2.75 in eye relief and an adjustable dioptre\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eElectronics:\u003c\/b\u003e Solar Failsafe supplemental power plus Shake Awake motion activation\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBattery:\u003c\/b\u003e CR2032, up to 50,000 hours of runtime\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eIllumination:\u003c\/b\u003e 12 brightness settings on the HS403C\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSight mounts:\u003c\/b\u003e absolute co-witness and lower-1\/3 mounts both included\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMagnifier mount:\u003c\/b\u003e ambidextrous quick-detach flip-to-side with co-witness spacer\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBuild:\u003c\/b\u003e 6061-T6 aluminium, IP67 rated on both units\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cb\u003eTechnical Specifications\u003c\/b\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eKit Contents\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eHS403C micro red dot sight and HM3X 3x magnifier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eRed Dot\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eHS403C — 2 MOA red dot, 20 mm micro, 12 brightness settings\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eMagnifier\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eHM3X — 3x, 2.75 in eye relief, adjustable dioptre\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eBattery\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eCR2032, up to 50,000 hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003ePower\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eBattery with Solar Failsafe supplemental power\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003ePower Management\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eShake Awake motion activation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eSight Mounts\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eAbsolute co-witness and lower-1\/3, both included\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eMagnifier Mount\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eQuick-detach flip-to-side with co-witness spacer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eHousing\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e6061-T6 aluminium\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eWater Resistance\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eIP67 on both units\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eMPN \/ UPC\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eHS403C-HM3X \/ 810047071624\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cb\u003eWhat's Included\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHolosun HS403C micro red dot sight with absolute and lower-1\/3 mounts\u003c\/li\u003e\n\u003cli\u003eHolosun HM3X 3x magnifier with quick-detach flip mount and co-witness spacer\u003c\/li\u003e\n\u003cli\u003eLens cloths, multi-tools and user manuals\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cb\u003eUK Delivery \u0026amp; Support\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eEvery order is dispatched from the UK with tracked delivery, with an estimated delivery time of 7–10 working days. Our UK-based team is on hand if you have any questions about this product or your order.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFrequently Asked Questions\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003e\u003cb\u003eWhat is included in the Holosun HS403C and HM3X combo?\u003c\/b\u003e\u003cbr\u003eThe Holosun HS403C and HM3X Combo includes the HS403C 20 mm micro red dot sight with both absolute co-witness and lower-1\/3 mounts, and the HM3X 3x magnifier with its quick-detach flip-to-side mount and co-witness spacer.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eWhat reticle does the HS403C in this combo use?\u003c\/b\u003e\u003cbr\u003eThe HS403C uses a single 2 MOA red dot with 12 brightness settings. It is a plain dot rather than a switchable circle-dot, which keeps the sight picture as clean as possible.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eWhat is Solar Failsafe on the HS403C?\u003c\/b\u003e\u003cbr\u003eSolar Failsafe is a solar panel that powers the dot in bright light and backs up the CR2032 battery, so the Holosun HS403C keeps running in daylight even with a flat cell.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eCan the magnifier be removed?\u003c\/b\u003e\u003cbr\u003eYes. The HM3X in the Holosun HS403C and HM3X Combo has a quick-detach lever that takes it off the rail in seconds, and it flips aside for unmagnified 1x shooting without removing it at all.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eHow is this combo different from the HS510C and HM3X combo?\u003c\/b\u003e\u003cbr\u003eThe Holosun HS403C and HM3X Combo uses a compact 20 mm micro dot with a single 2 MOA reticle. The HS510C and HM3X Combo pairs the same magnifier with a much wider-window open reflex sight running the Multi-Reticle System.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eHow tough are the units in this combo?\u003c\/b\u003e\u003cbr\u003eBoth the HS403C and the HM3X in this combo are built from 6061-T6 aluminium and rated IP67 for water and dust resistance.\u003c\/p\u003e","brand":"Holosun","offers":[{"title":"Default Title","offer_id":58434893709656,"sku":"HS403C-HM3X","price":389.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0995\/2005\/3592\/files\/holosun-hs403c-red-dot-sight-hm3x-3x-magnifier-combo-hs403c-hm3x-1.jpg?v=1789007477","url":"https:\/\/opticstrader.co.uk\/products\/holosun-hs403c-red-dot-sight-hm3x-3x-magnifier-combo-hs403c-hm3x","provider":"Optics Trader","version":"1.0","type":"link"}