{"product_id":"holosun-hs403c-red-dot-sight-hm3x-3x-magnifier-combo-hs403c-hm3x","title":"Holosun HS403C Red Dot Sight \u0026 HM3X 3x Magnifier Combo – HS403C-HM3X","description":"\u003cp\u003eThe \u003cb\u003eHolosun HS403C + HM3X combo\u003c\/b\u003e is a great-value complete rifle setup — the proven \u003cb\u003e20mm micro red dot with Solar Failsafe\u003c\/b\u003e plus the \u003cb\u003e3x flip-to-side magnifier\u003c\/b\u003e, matched and ready to mount.\u003c\/p\u003e\u003cp\u003eThe HS403C runs a crisp \u003cb\u003e2 MOA red dot\u003c\/b\u003e with solar backup, Shake Awake and up to 50,000 hours from a CR2032, shipping with both absolute and lower-1\/3 mounts. The \u003cb\u003eHM3X\u003c\/b\u003e adds 3x with 2.75in eye relief, adjustable diopter and an ambidextrous QD flip mount with co-witness spacer. Both IP67, 6061-T6 aluminium.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eHow It Compares\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eWant an enclosed emitter? The \u003ca href=\"\/products\/holosun-aro-red-dot-sight-hm3x-3x-magnifier-combo-2-moa-aro-rd2-hm3x\"\u003eARO + HM3X combo\u003c\/a\u003e. Bigger window? The \u003ca href=\"\/products\/holosun-hs510c-red-dot-sight-hm3x-3x-magnifier-combo-multi-reticle-system-solar-failsafe-hs510c-hm3x\"\u003eHS510C + HM3X\u003c\/a\u003e. Browse all \u003ca href=\"\/collections\/rifle-dot-sights\"\u003erifle red dots\u003c\/a\u003e and \u003ca href=\"\/collections\/red-dot-sight-magnifiers\"\u003emagnifiers\u003c\/a\u003e; read our \u003ca href=\"\/blogs\/news\/choosing-a-red-dot-magnifier\"\u003emagnifier guide\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eIdeal For\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eAR-15s and carbines on a budget\u003c\/li\u003e\n\u003cli\u003eFirst red dot + magnifier setup\u003c\/li\u003e\n\u003cli\u003eLightweight micro-dot builds\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cb\u003eKey Features\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHS403C — 2 MOA red dot, Solar Failsafe, 20mm micro\u003c\/li\u003e\n\u003cli\u003eHM3X 3x flip-to-side QD magnifier\u003c\/li\u003e\n\u003cli\u003eAbsolute + lower-1\/3 mounts included (both units)\u003c\/li\u003e\n\u003cli\u003eShake Awake; up to 50,000 h (CR2032)\u003c\/li\u003e\n\u003cli\u003eIP67; 6061-T6 aluminium\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\u003eRed Dot\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eHS403C — 2 MOA red, solar + battery, 12 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, 2.75in eye relief, ±diopter\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 h + Solar Failsafe\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eMounts\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eAbsolute + lower-1\/3 (dot); QD flip + spacer (mag)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eDurability\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e6061-T6; IP67 (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 red dot + HM3X magnifier\u003c\/li\u003e\n\u003cli\u003eAbsolute + lower-1\/3 mounts, spacer, CR2032, tools, lens cloths, manuals\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cb\u003eUK Delivery \u0026amp; Support\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eUK-stocked and dispatched tracked from our UK warehouse — no import duties or customs delays — backed by UK-based support and Holosun's warranty.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFrequently Asked Questions\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003e\u003cb\u003eWhat is Solar Failsafe?\u003c\/b\u003e\u003cbr\u003eA solar panel that powers the dot in bright light and backs up the battery — the optic keeps running even with a dead cell in daylight.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eDo the heights match?\u003c\/b\u003e\u003cbr\u003eYes — both include lower-1\/3 and absolute options, so the pair lines up at either height.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eCan I remove the magnifier?\u003c\/b\u003e\u003cbr\u003eYes — the QD lever detaches it in seconds, or flip it aside for 1x.\u003c\/p\u003e","brand":"Holosun","offers":[{"title":"Default Title","offer_id":58206590337398,"sku":"HS403C-HM3X","price":389.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0337\/3216\/5771\/files\/holosun-hs403c-red-dot-sight-hm3x-3x-magnifier-combo-hs403c-hm3x-1.jpg?v=1785205390","url":"https:\/\/xtremetactical.co.uk\/products\/holosun-hs403c-red-dot-sight-hm3x-3x-magnifier-combo-hs403c-hm3x","provider":"Xtreme Tactical","version":"1.0","type":"link"}