Holosun HS503CU Red Dot Sight

The Holosun HS503CU is a compact and versatile 20mm micro red dot sight designed for rifles and carbines, combining durability with advanced technology. It features Holosun’s Multi-Reticle System (MRS), giving shooters the choice between a precision 2 MOA dot or a 65 MOA circle-dot configuration, adapting easily to different missions. The Solar Failsafe™ ensures uninterrupted operation by using available light as a backup power source, while the Shake Awake™ technology activates the sight instantly with movement.

Built with a rugged 6061-T6 aluminum housing and IP67-rated for water and dust resistance, the HS503CU is ready for the toughest environments. With up to 50,000 hours of battery life on a single CR2032 battery, 12 brightness settings (10 for daylight, 2 for night vision), and a side-loading battery tray, this optic offers reliability and user-friendly design. The package includes both a low mount (.75”) and a lower 1/3 co-witness mount (1.63”) for flexible setups.

Key Features:

• Multi-Reticle System: 2 MOA dot & 65 MOA circle options
• Solar Failsafe™ for backup power in all light conditions
• Shake Awake™ motion-activated operation
• Up to 50,000 hours battery life (CR2032)
• 12 brightness settings (10 DL, 2 NV compatible)
• Side-loading tray for quick battery changes
• 6061-T6 aluminum housing with MAO finish
• Waterproof (IP67) and vibration resistant (1000G)
• Includes low and lower 1/3 co-witness mounts
  
  

The Holosun HS503CU delivers precision, reliability, and cutting-edge features in a rugged design—making it an excellent choice for professionals and enthusiasts alike.