Unlock superior targeting capabilities and unwavering reliability for your rifle or carbine with the Holosun HS403C Micro Red Dot Sight. Engineered for peak performance and durability, this compact optic integrates cutting-edge technology to ensure you’re always on target, whether for sport, defense, or professional applications. The HS403C stands out as a top-tier choice for shooters demanding exceptional battery life, versatile power options, and a robust build, making it a compelling solution for a wide array of firearms including AR-15s, PCCs, and hunting rifles.

The Holosun HS403C: Your Reliable Optic Solution

In the realm of modern shooting, precision and speed are paramount. The Holosun HS403C addresses these needs head-on, offering a highly efficient and incredibly durable red dot sight designed to enhance your shooting experience. This 20mm micro sight is specifically tailored for carbine and rifle platforms, providing a clear, crisp 2 MOA (Minute of Angle) red dot for rapid target acquisition without obscuring your field of view. It's an ideal choice for anyone looking to upgrade their firearm's sighting system, from new enthusiasts to seasoned professionals.

Who Benefits from the Holosun HS403C?

• AR-15 and Carbine Owners: Seeking a lightweight, compact, and highly reliable optic that can withstand rigorous use and offer seamless integration with existing setups.
• Home Defense Practitioners: Requiring an "always-on" sight with exceptional battery life and instant activation for critical situations.
• Hunters: Needing fast, accurate target acquisition in varied lighting conditions, especially in brush or dense environments where quick shots are necessary.
• Sport Shooters and Competitors: Looking for a dependable optic that maintains zero, offers precise adjustments, and boasts an ultra-long battery life for extended range sessions or matches.
• Users Seeking Redundant Power Sources: Appreciating the peace of mind offered by solar and battery power, ensuring the sight remains operational even if one source fails.
• Individuals Prioritizing Durability: Those who need an optic capable of withstanding harsh weather conditions, impacts, and the recoil of various calibers.

Key Problems the HS403C Solves for Shooters:

• Battery Life Anxiety: With a phenomenal 50,000-hour battery life and the innovative Solar Failsafe system, worrying about your red dot dying in the field becomes a thing of the past.
• Slow Target Acquisition: The clear 2 MOA red dot and unlimited eye relief allow for incredibly fast target identification and engagement, crucial for dynamic shooting scenarios.
• Visibility in Varied Lighting: Ten daylight and two night vision compatible settings ensure optimal reticle visibility from bright sun to complete darkness.
• Durability Concerns: Constructed from 6061-T6 aluminum and featuring waterproof capabilities, the HS403C is built to endure the toughest environments and maintain its performance.
• Mounting Versatility: Includes both a lower 1/3 co-witness mount and a low mount, accommodating a wide range of firearm setups and user preferences for optimal sight picture.
• Accidental Drain/Manual Activation: Holosun's Shake Awake technology eliminates the need to manually turn the sight on or off, saving battery life and ensuring it's ready when you are.

Unmatched Technology for Unwavering Performance

The Revolutionary Solar Failsafe™ System

One of the most defining features of the Holosun HS403C is its groundbreaking Solar Failsafe™ system. This innovative technology allows the optic to be powered by ambient light, extending battery life and ensuring operation even without a battery installed. How does it work? Integrated solar cells on the top of the sight collect light, providing power to the reticle. In bright conditions, the solar panel can power the reticle entirely. As light diminishes, the sight seamlessly transitions to battery power, ensuring uninterrupted performance. This intelligent power management not only significantly prolongs the life of the CR2032 battery but also acts as an essential backup, guaranteeing your red dot is always operational when you need it most. Imagine being in a critical situation or a remote hunting trip where battery replacement isn't an option; the Solar Failsafe provides an unparalleled layer of reliability.

Instant Readiness with Shake Awake™ Technology

Complementing the Solar Failsafe, the HS403C incorporates Holosun's signature Shake Awake™ technology. This intelligent feature puts the optic into a dormant state after a period of motionlessness, conserving battery power. The moment the sight detects any movement, it instantly powers on to its last used brightness setting, ready for immediate use. This eliminates the need to manually activate the sight, ensuring that your red dot is always available the instant you bring your firearm to bear. For home defense, tactical applications, or competitive shooting, this instantaneous activation can be the difference-maker, providing a crucial edge when milliseconds count.

The Brilliance of the Red Super LED

At the heart of the HS403C's display is Holosun's highly efficient Red Super LED. This advanced LED technology is responsible for the crisp, clear 2 MOA red dot that defines the HS403C's reticle. Beyond its vivid display, the Super LED is remarkably energy-efficient, contributing significantly to the optic's industry-leading 50,000-hour battery life. This translates to over five years of continuous operation on a single CR2032 battery, a benchmark few competitors can match. The 2 MOA dot itself is perfectly sized for rifle and carbine applications, offering sufficient precision for longer shots while being large enough for rapid target acquisition at close ranges.

Optimal Visibility Across All Conditions

The Holosun HS403C is equipped with 12 distinct brightness settings: 10 for daylight use and 2 compatible with night vision devices. This wide range ensures optimal reticle visibility in virtually any lighting scenario. From glaring sunlight on an open range to low-light conditions at dusk or dawn, or even complete darkness with night vision goggles, you can fine-tune the reticle intensity for perfect clarity. The digital buttons provide precise and intuitive control over these settings, allowing for quick adjustments on the fly without fumbling.

Engineered for Durability and Precision

Robust 6061-T6 Aluminum Construction

The housing of the Holosun HS403C is meticulously crafted from 6061-T6 aluminum, an aerospace-grade alloy renowned for its exceptional strength-to-weight ratio and corrosion resistance. This robust construction ensures that the optic can withstand the harsh realities of fieldwork, accidental drops, and the repetitive shock of firearm recoil without compromising its structural integrity or zero. The black anodized finish further enhances its durability, providing a non-reflective, scratch-resistant surface.

Weatherproof and Ready for Any Environment

Designed for reliability in challenging conditions, the HS403C is fully waterproof. This means it can be submerged or exposed to heavy rain, snow, and humidity without internal damage or compromised performance. Whether you're hunting in a downpour or operating in a humid climate, you can trust the HS403C to perform consistently, giving you confidence in any weather.

Uncompromised Optical Clarity and User Experience

The HS403C features multi-coated optics that enhance light transmission, reduce glare, and provide a bright, clear sight picture. This results in superior image quality, allowing you to quickly identify targets and maintain situational awareness. Furthermore, the design offers unlimited eye relief, meaning you can mount the optic at any comfortable distance from your eye and still see the full reticle, which is a significant advantage for quick target acquisition and use with different shooting positions. Its parallax-free design ensures that the point of aim remains true regardless of slight head movements, contributing to consistent accuracy.

Versatile Mounting and Easy Maintenance

Dual Mounting Options Included

Understanding that different firearms and shooter preferences require varied mounting solutions, the Holosun HS403C comes standard with two mount options: a lower 1/3 co-witness mount (1.63 inches) and a low mount (0.75 inches). The lower 1/3 co-witness mount is ideal for AR-platform rifles, allowing iron sights to be visible in the lower third of the optic's window, providing a crucial backup sighting system. The low mount is perfect for firearms with lower comb heights, such as certain shotguns or traditional rifles, where a compact, close-to-bore sight picture is preferred. Both mounts utilize a common T1/T2 footprint, offering compatibility with a wide range of aftermarket mounting solutions should you choose to customize further.

Convenient Design for Shooters

The HS403C incorporates several thoughtful design elements that enhance the user experience. The side-mounted battery tray allows for quick and effortless battery replacement without needing to remove the optic from your firearm, maintaining your zero. Rubber lens covers are also included, providing essential protection for the optic's lenses during storage or transport, safeguarding them from dust, debris, and scratches.

Real-World Utility and Performance

Consider the Holosun HS403C for a variety of applications:

• For Tactical Operations and Home Defense: The combination of Shake Awake, Solar Failsafe, and the 50,000-hour battery life ensures that your optic is always ready, instantly active, and reliable under pressure. The 2 MOA dot is perfect for rapid engagement of threats at close to medium ranges.
• For Hunting: Fast target acquisition is crucial when a game animal appears suddenly. The clear 2 MOA dot and multi-coated lenses provide excellent visibility, helping hunters make precise shots, even in challenging lighting conditions or dense foliage. The durable, waterproof design ensures performance in any environment.
• For Sport Shooting and Training: Whether you're at the range honing your skills or competing in a local match, the HS403C offers consistent, reliable performance. Its precise 0.5 MOA adjustments for windage and elevation allow for accurate zeroing, and the parallax-free design ensures consistent shot placement across various shooting positions.

The Holosun HS403C is more than just a red dot; it's a versatile tool that significantly improves your shooting proficiency. Its compact footprint (2.45" L, 1.43" W, 1.6" H) and lightweight design (2.82 oz) ensure it won't add unnecessary bulk to your firearm, maintaining balance and maneuverability. The ease of use, coupled with its advanced features, makes it an excellent choice for shooters of all experience levels.

Why Choose the Holosun HS403C from DEGuns?

When investing in critical firearm accessories like the Holosun HS403C, choosing a reputable dealer is as important as choosing the right product. DEGuns is committed to providing genuine Holosun products, backed by reliable customer service and competitive pricing. The Holosun HS403C, with its UPC 760921087374, represents a pinnacle of compact red dot technology, and DEGuns ensures you receive an authentic product with full manufacturer support.

Whether you're looking to enhance the performance of your AR-15, optimize a pistol caliber carbine, or add a robust aiming solution to your hunting rifle, the Holosun HS403C provides the reliability, advanced features, and user-friendly design necessary to elevate your shooting capabilities. Its blend of solar power, Shake Awake technology, and a durable build makes it a standout choice for anyone seeking a high-performance, low-maintenance red dot sight.

Holosun HS403C Specifications

Feature	Detail
Brand	Holosun
Model	HS403C
Magnification	1x
Tube Diameter	20mm
Color	Black Anodized
Reticle	2 MOA Red Dot
Material	6061-T6 Aluminum
Firearm Type	Carbine / Rifle
Mount Types Included	Lower 1/3 Co-Witness (1.63"), Low Profile (0.75")
Wavelength	650nM
Adjustment Size	0.50 MOA per click
Objective Lens Diameter	20mm
Brightness Settings	10 Daytime / 2 Night Vision
Eye Relief	Unlimited
Switch Type	Shake Awake Sensor / Digital Buttons
Battery Size	CR2032
Windage Adjustment Range	50 MOA
Length	2.45 inches
Proofs	Waterproof
Parallax Adjustment	Parallax Free
Power Source	Solar Failsafe / CR2032 Battery
Battery Life	Up to 50,000 hours
Bulb Type	LED (Red Super LED)
Dot Size	2 MOA
Elevation Adjustment Range	50 MOA
Height	1.6 inches
Includes	Lower 1/3 Cowitness Mount, T10 L Key, Manual, Lens Cloth, Low Profile Mount, Rubber Cover, CR2032 Battery
Optic Coating	Multi-Coated
Width	1.43 inches
Weight	2.82 ounces
Controls	Adjustable Digital Buttons
SKU	HS403C
UPC	760921087374