Holosun HS510C Open Reflex Sight, 2 MOA Dot/65 MOA Circle

The Holosun HS510C is an open-frame reflex sight designed for long-gun applications. It offers Holosun's Multi-Reticle System (MRS) for selectable reticle configurations and combines solar assist with a battery backup for extended runtime. The unit is built with a protective hood and quick-release mounting intended for Picatinny rails.

Key Specifications

• The reticle options are a 2 MOA dot and 65 MOA circle.
• Powered by Solar Failsafe with a CR2032 backup battery.
• Battery life up to 50,000 hours (manufacturer stated, setting 6).
• Magnification is 1x for an unobstructed sight picture.
• The housing is aluminum with a titanium hood for added shock resilience.
• Mounting uses a QD absolute co-witness Picatinny mount.
• Parallax-free with unlimited eye relief for flexible mounting and shooting positions.
• Adjustment per click is 0.5 MOA.
• Ingress protection rating is IP67.
• Window size is 0.91 x 1.26 inches.

Compact, feature-rich, and designed for practical field use, the HS510C provides a low-profile sight picture with selectable reticle options and long battery life. Its combination of solar assist, durable construction, and quick-release Picatinny mounting makes it suitable for a range of long-gun setups where reliability and a clear sight picture are priorities.