{"product_id":"holosun-hs403r-he403r-gd-2-moa-dot-micro-sight-durable-20mm-optic","title":"HOLOSUN HS403R HE403R-GD 2 MOA Dot Micro Sight - Durable 20mm Optic","description":"\u003cp\u003eIn this review the HOLOSUN HS403R \/ HE403R-GD is examined as a compact, practical red dot for rifle and carbine users who want a reliable 1x optic without fuss. The bottom line: it is for shooters who need a tough, efficient micro sight with a crisp \u003cstrong\u003e2 MOA dot\u003c\/strong\u003e and long battery life; the rotary intensity switch and multilayer reflective glass are the single biggest reasons to consider it for everyday range use and field carry. The review focuses on real-world usability, mounting options, and optical performance rather than marketing claims.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMicro 20mm window:\u003c\/strong\u003e The compact 20mm diameter window keeps weight and profile low while still offering a clear sight picture for close and mid-range shots.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2 MOA reticle:\u003c\/strong\u003e The precise 2 MOA dot gives fine aiming reference for accurate follow-up shots on rifles and carbines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRotary intensity switch:\u003c\/strong\u003e The integrated rotary switch makes brightness changes simple and places the CR2032 battery in an easy-access compartment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable aluminum housing:\u003c\/strong\u003e Cast aluminum construction and MAO surface finish provide a robust package that tolerates regular handling and mounting changes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMultilayer reflective glass:\u003c\/strong\u003e Optical-quality, multi-coated lenses reduce glare and support bright, high-contrast reticle visibility in varied lighting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuper LED efficiency:\u003c\/strong\u003e Holosun Super LED technology yields long battery life with multiple color options including the Gold Dot for color-variant users.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThe HS403R \/ HE403R-GD suits shooters who want a low-profile red dot for rifles and carbines, including sport shooters and hunters who prefer a lightweight optic with simple controls and a small footprint. Its parallax-free, unlimited eye relief design makes it useful for quick target acquisition and for users who mount optics for speed rather than magnification.\u003c\/p\u003e\n\u003cp\u003eThose who want integrated solar fail-safe, multi-reticle systems, or magnified optics should look elsewhere; this 1x micro sight is not a magnifier or multi-reticle package and is best paired with iron sights or backup optics for some applications.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCompact and light 20mm design keeps the rifle balance and profile minimal.\u003c\/li\u003e\n\u003cli\u003eExcellent battery efficiency from Super LED tech, with long service life on a single CR2032.\u003c\/li\u003e\n\u003cli\u003eDurable cast aluminum housing with included lower 1\/3 co-witness and low mounts for flexible mounting heights.\u003c\/li\u003e\n\u003cli\u003eClear, multilayer-coated glass provides strong reticle contrast and reduced glare.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSmall window size may feel restricted for shooters who prefer larger fields of view.\u003c\/li\u003e\n\u003cli\u003eRotary switch controls may be less intuitive for users accustomed to push-button interfaces.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eReticle\u003c\/td\u003e\n\u003ctd\u003e2 MOA dot\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWindow Size\u003c\/td\u003e\n\u003ctd\u003e20mm diameter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMagnification\u003c\/td\u003e\n\u003ctd\u003e1x\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery Type\u003c\/td\u003e\n\u003ctd\u003eCR2032 (rotary compartment)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery Life\u003c\/td\u003e\n\u003ctd\u003eup to 100,000 hrs (setting 6) \/ up to 50,000 hrs typical Super LED\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHousing\u003c\/td\u003e\n\u003ctd\u003eDurable cast aluminum, MAO finish\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAdjustments\u003c\/td\u003e\n\u003ctd\u003e0.5 MOA per click, 50 MOA W\u0026amp;E travel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe HOLOSUN HS403R \/ HE403R-GD is a solid choice for shooters who need a rugged, efficient micro red dot with a precise 2 MOA aiming point and flexible mounting options. It delivers strong optical clarity, long battery life, and durable construction at a practical price, making it good value for users who prioritize a small, reliable 1x sight for rifles and carbines.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eIs this sight parallax free?\u003c\/strong\u003e\u003cbr\u003eYes, the sight is designed to be parallax free with unlimited eye relief for quick target acquisition.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat battery does it use and how long does it last?\u003c\/strong\u003e\u003cbr\u003eThe HS403R \/ HE403R-GD uses a CR2032 battery in the rotary compartment and benefits from Super LED efficiency for very long operational life.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I mount this for low comb height?\u003c\/strong\u003e\u003cbr\u003eYes; the package includes a low mount (.75 in) and a lower 1\/3 co-witness mount (1.63 in) for different cheek weld preferences.\u003c\/p\u003e","brand":"HOLOSUN","offers":[{"title":"Default Title","offer_id":48635312505051,"sku":"B07PYNC7Y3","price":149.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/51xEJzU8_GL._AC_SL1001.jpg?v=1778537529","url":"https:\/\/gearmusthave.com\/products\/holosun-hs403r-he403r-gd-2-moa-dot-micro-sight-durable-20mm-optic","provider":"GearMustHave","version":"1.0","type":"link"}