Holosun HS510C FDE-R Open Reflex Red Dot Sight with MRS Circle-Dot Reticle
The Holosun HS510C (FDE-R) is an open reflex sight built around Holosun’s Multi-Reticle System (MRS), offering a 2 MOA dot, 65 MOA circle, or circle-dot reticle selection. It features Solar Failsafe and Shake Awake technology, with up to 50,000 hours of battery life (setting 6) and 12 brightness settings (10 daylight / 2 night-vision compatible).
Constructed with an aluminum housing and titanium hood, the HS510C uses a convenient tray-style battery compartment and mounts via an integrated absolute co-witness QD Picatinny mount (1.41 inch dot height). Parallax-free design with unlimited eye relief and an IP67 submersion rating round out the core build specs.