Holosun HS403C Red Dot Sight

The Holosun HS403C is a compact and durable 20mm micro red dot sight designed for rifles and carbines, offering advanced technology in a lightweight package. Featuring Holosun’s Red Super LED with a crisp 2 MOA dot, it delivers up to 50,000 hours of battery life on a single CR2032 cell, supported by Solar Failsafe™ technology that automatically adjusts brightness and provides a backup power source in daylight conditions.

Built with a rugged 6061-T6 aluminum housing, the HS403C is parallax-free and offers unlimited eye relief for rapid target acquisition. With 12 brightness settings (10 daylight + 2 night vision), it adapts to any environment, while the side-mounted tray battery compartment, digital brightness controls, and included rubber lens covers make it practical and easy to use.

The optic comes with both a low mount (0.75”) for low-profile setups and a lower 1/3 co-witness mount (1.63”), ensuring compatibility across a wide range of platforms. Rated IP67 water-resistant and tested to withstand up to 1000G vibration, the HS403C is built for reliability in the toughest conditions.

Key Features:

• Crisp 2 MOA red dot with up to 50,000-hour battery life
• Solar Failsafe™ technology with automatic brightness adjustment
• 12 brightness settings: 10 daylight, 2 night vision compatible
• Rugged 6061-T6 aluminum housing with MAO finish
• Parallax-free design with unlimited eye relief
• Side-mounted tray battery compartment (CR2032)
• Includes low mount (0.75”) and lower 1/3 co-witness mount (1.63”)
• IP67 water-resistant, vibration-tested to 1000G
• Dimensions: 2.45” x 1.43” x 1.6” | Weight: 2.82 oz (80 g)

The Holosun HS403C combines solar-powered innovation, rugged durability, and long-lasting performance—making it a reliable red dot sight for shooters of all levels.