--- product_id: 28163104 title: "HS403B / HE403B-GR" brand: "holosun" price: "€ 720.67" currency: EUR in_stock: true category: "Holosun" url: https://www.desertcart.pt/products/28163104-hs403b-he403b-gr store_origin: PT region: Portugal --- # Waterproof & dustproof 12 brightness settings 50,000h battery life HS403B / HE403B-GR **Brand:** holosun **Price:** € 720.67 **Availability:** βœ… In Stock ## Summary > 🎯 Lock on, level up, and never miss your mark. ## Quick Answers - **What is this?** HS403B / HE403B-GR by holosun - **How much does it cost?** € 720.67 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/28163104-hs403b-he403b-gr) ## Best For - holosun enthusiasts ## Why This Product - Trusted holosun brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Unmatched Endurance:** 50,000-hour battery life with Shake Awake tech means your sight is always mission-ready without the hassle of constant charging. - β€’ **Precision at a Glance:** Dual reticle system with a 2 MOA dot and 65 MOA circle offers rapid target acquisition and pinpoint accuracy for every shot. - β€’ **Quick-Detach Convenience:** QD mount and side-access battery tray let you swap and maintain your sight effortlessly, keeping you in the action. - β€’ **Adaptive Brightness Mastery:** 12 brightness levels plus Solar Failsafe auto-adjust reticle intensity for flawless visibility from dawn to dusk. - β€’ **Built to Brave the Elements:** Titanium housing combined with waterproof and dustproof design ensures durability in the harshest environments. ## Overview The HOLOSUN HE403B-GR is a rugged, titanium-built micro red/green dot sight designed for rifles, featuring a dual reticle system (2 MOA dot & 65 MOA circle), 50,000-hour battery life with Shake Awake technology, 12 brightness settings including Solar Failsafe, and a waterproof, dustproof design. Its quick-detach mount and side battery access make it a top-tier optic for professionals demanding precision and reliability in any environment. ## Description desertcart.com : HOLOSUN HE515CT-GR Multi-Reticle Green 2 MOA Dot & 65 MOA Circle Micro Sight for Rifles - Solar FailSafe Shake-Awake Dustproof Waterproof Titanium Sight with Multilayer Reflective Glass … : Sports & Outdoors ## Features - HOLOSUN GREEN DOT SIGHT - The HE515CT-GR is an ultra durable titanium 20mm micro sight designed for hard-use rifle and carbine applications; It features Green Super LED with up to 50k hour battery life and 12 reticle intensity settings; The 2032 battery is housed in a side mounted tray for easy access; This rifle sight includes clear removable/rotating lens caps, a QD absolute co-witness (1.41") mount, T10 L Key, CR2032 Battery, and Lens Cloth - MULTI-RETICLE SYSTEM - This Holosun green dot sight is equipped with MRS to let you select a fast sight picture for shorter distances with a 65 MOA circle with 2 MOA dot; The large circle allows for a hold-over reference and helps guide your eye to the 2 MOA dot; The large ring can be deactivated leaving just the 2 MOA dot for an uncluttered sight picture and increased precision - SHAKE AWAKE TECHNOLOGY - Extends battery life by deactivating the optic's LED while not in use; Shake Awake offers settings from 10 minutes to 12 hours depending on the model and can be deactivated altogether if preferred; The slightest touch of the optic instantly reactivates the LED so your Holosun sight for rifle is ready when needed - SOLAR FAILSAFE - If your battery fails, this green dot sight for rifle has a backup power source when natural or artificial light is available; Solar Failsafe is activated while in Auto Mode where reticle intensity is automatically adjusted: in brighter conditions, you have a brighter reticle and in lower-light conditions, the reticle will step down in intensity to match any lighting conditions - SPECS - Reticle: Green 2 MOA Dot & 65 MOA Circle; Light Wavelength: 540nm; Parallax Free & Unlimited Eye Relief; Magnification: 1x; Power Source: Solar & Battery; Battery Type: CR2032; Battery Life (Hours): 50000; Brightness Setting: 10 DL&2 NV; Window Size: 20mm Diameter; Weight (oz): 4.06; Housing Material: Titanium; Surface Finish: Titanium; Adjustment per Click: 0.5 MOA; W&E Travel Range: Β±50 MOA ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07CZTXCM3 | | Best Sellers Rank | #172,381 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #399 in Gun Sights | | Brand Name | HOLOSUN | | Color | Black | | Compatible Devices | Rifle | | Customer Reviews | 4.7 4.7 out of 5 stars (1,504) | | Global Trade Identification Number | 00605930624915 | | Included Components | Clear flip-up lens covers, Hi/Low QD mount included, Kill flash | | Item Display Weight | 0.5 Pounds | | Item Type Name | Holosun Green Dot | | Item Weight | 4 ounces | | Lens Color | Green | | Magnification Maximum | 1 x | | Magnification Minimum | 1 x | | Manufacturer | HOLOSUN | | Manufacturer Part Number | HE515CT-GR | | Material Type | Titanium | | Model Name | HOLOSUN HE515CT-GR | | Model Number | HE515CT-GR | | Mounting Type | QD mount | | Night vision | No | | Objective Lens Diameter | 20 Millimeters | | Product Style | Green 2 MOA Dot & 65 MOA Circle | | Reticle Type | Dual Reticle (2 MOA Dot & 65 MOA Circle) | | Sport Type | Hunting | | UPC | 605930624915 | | Unit Count | 1.0 Count | | Warranty Description | Limited Lifetime | ## Product Details - **Brand:** HOLOSUN - **Color:** Black - **Compatible Devices:** Rifle - **Item Weight:** 4 ounces - **Magnification Maximum:** 1 x - **Magnification Minimum:** 1 x - **Material:** Titanium - **Objective Lens Diameter:** 20 Millimeters - **Sport:** Hunting - **Style:** Green 2 MOA Dot & 65 MOA Circle ## Images ![HS403B / HE403B-GR - Image 1](https://m.media-amazon.com/images/I/51+Vr94VGAL.jpg) ![HS403B / HE403B-GR - Image 2](https://m.media-amazon.com/images/I/61Gew+liEwL.jpg) ![HS403B / HE403B-GR - Image 3](https://m.media-amazon.com/images/I/616XY9xSMbL.jpg) ![HS403B / HE403B-GR - Image 4](https://m.media-amazon.com/images/I/61sePDA1OAL.jpg) ![HS403B / HE403B-GR - Image 5](https://m.media-amazon.com/images/I/416nC-2X+2L.jpg) ## Available Options This product comes in different **Color, Style** options. ## Questions & Answers **Q: Will this cowitness with my a2 front post? I don't mean a lower 3rd cowitness** A: No, not with the mount the optic ships with. It is compatible with Aimpoint T1 mounts, so full cowitness it definitely possible. **Q: Does this include the high rise mount AND a low base?** A: The HS403B comes with a high mount (lower 1/3 co-witness on standard AR sights) and a low mount.We are an AUTHORIZED distributor and the above answer came directly from HOLOSUN USA . Hope that helps ! **Q: Does this have the acss reticle, or just a dot?** A: Just a dot. **Q: Does this pair with the holoson hm3x magnifier? any special parts or spacers needed?** A: It should, but you can always call holosun... it’s free. ## Frequently Bought Together - HOLOSUN HE403B-GR / HS403B 2 MOA Dot Micro Sight for Rifles - Shake-Awake Super LED Durable Waterproof Aluminum Sight with Multilayer Reflective Glass & 12 Brightness Settings - Red/Green Dot Options - Streamlight 88066 ProTac Rail Mount HL-X 1000-Lumen Multi-Fuel Weapon Light with Remote Switch, Tail Switch, Clips, and CR123A Batteries, Box, Black - HOLOSUN HM3X 3X Flip-to-Side Magnifier w/QD Mount HM3X --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.pt/products/28163104-hs403b-he403b-gr](https://www.desertcart.pt/products/28163104-hs403b-he403b-gr) --- *Product available on Desertcart Portugal* *Store origin: PT* *Last updated: 2026-07-09*