Holosun HE509T-RD X2 Titanium Enclosed 2 MOA Sight

Holosun HE509T-RD X2 Enclosed Reflex Sight — a rugged enclosed reflex sight designed for pistol use. It provides a primary aiming point for rapid target acquisition while maintaining an enclosed housing for lens protection.

The HE509T-RD X2 is built to serve handgun platforms where a compact, sealed red dot is required. Its primary purpose is to offer a durable aiming optic with selectable reticle options for close- and mid-range engagement on duty, competition, or personal-ownership pistols. The sight is configured for pistol footprints and includes an adapter plate for compatibility with rmr-style mounting interfaces.

• Grade 5 titanium housing for corrosion resistance and reduced weight
• Multi-Reticle System featuring a 2 MOA center dot and a selectable circle option
• Enclosed, nitrogen-purged design with solar failsafe and Shake Awake power management
• Up to 50,000 hours estimated LED life on specified settings
• 12 brightness settings, including two compatible with night-vision devices
• Compact footprint with window size ~0.66″ x 0.90″ and overall length ~1.6″
• Adjustment increments: 1 MOA per click; windage and elevation travel range approx. 30 MOA
• IP67-rated submersion protection and high shock/vibration tolerance (specified up to 5000G)
• Includes RMR-to-509T adapter plate, T10 L key, lens cloth, user manual, and a tray battery compartment

Specifications & Construction

Housing material: Grade 5 titanium. Window: approximately 0.66″ x 0.90″. Overall dimensions (given): 1.6″ x 1.16″ x 1.13″. Weight: approximately 1.72 oz. Optical coating: multi-coated reflective glass. Adjustment: 1 MOA per click with roughly 30 MOA total travel for windage and elevation. Environmental: storage/operating temperature ranges supplied by manufacturer; rated IP67 for water resistance and high shock tolerance.

Compatibility & Intended Use

Designed for pistols and other small platforms requiring a compact enclosed red dot. Mounts to rmr-style footprints via included adapter plate and is listed compatible with Picatinny/Weaver mounting in supplied materials. Typical setups include duty/ patrol pistols, competition handguns, and personal-defense pistols using a primary reflex optic and, where desired, iron sights as backups. Note: the included adapter plate is not compatible with some proprietary RMR interfaces such as certain ZEV or Shadow Systems patterns.