Holosun 509T X2 Enclosed Red Dot, 2 MOA Dot & 32 MOA Circle, Titanium, Solar Failsafe

Holosun 509T X2 Red Dot Sight - Titanium Enclosed Optic with Solar Failsafe

The Holosun 509T X2 is an enclosed red dot sight built in grade 5 titanium with a 2 MOA dot and 32 MOA circle reticle. It combines Solar Failsafe technology with shake awake activation and delivers up to 50,000 hours of battery life on setting 6. The nitrogen-purged housing is rated IP67 waterproof and handles extreme temperature swings from -40°C to 70°C. This is a compact, durable optic designed for shooters who need reliability in demanding conditions without compromise.

Key Features

• Grade 5 titanium housing with titanium finish for maximum durability
• 2 MOA dot and 32 MOA circle reticle with 12 brightness settings including 2 night vision modes
• Solar Failsafe technology ensures the sight functions even if the battery dies
• Shake Awake activation reduces battery drain during storage
• 50,000 hour battery life on setting 6 with CR1632 battery
• IP67 waterproof rating and nitrogen-purged design
• Parallax-free optics with unlimited eye relief
• RMR adapter plate included for direct mounting compatibility

Perfect For

• Duty and tactical shooters requiring extreme reliability
• Competition shooters who demand precision and durability
• Home defense builds where weather resistance matters
• Shooters who prioritize battery longevity and solar backup
• Operators in variable light conditions

Enclosed Design and Durability

The 509T X2 uses a fully enclosed LED design that protects the emitter and optics from environmental damage. Unlike open-frame designs, the nitrogen-purged housing prevents moisture intrusion and maintains optical clarity in rain, dust, and extreme temperature shifts. The grade 5 titanium construction resists corrosion and impact damage far better than aluminum alternatives. This design philosophy makes the 509T X2 a genuinely all-weather optic.

Solar Failsafe and Battery Longevity

Solar Failsafe technology means the sight continues to function even if the battery is completely depleted. The solar panel charges the capacitor during daylight use, providing backup power when needed. Combined with Shake Awake, which activates the sight only when movement is detected, the 509T X2 achieves exceptional battery efficiency. At 50,000 hours on setting 6, you're looking at years of continuous use without battery replacement.

Reticle Flexibility and Brightness Control

The 2 MOA dot works for both close-range engagements and precise shots at distance. The 32 MOA circle provides reference points for quick target acquisition and rapid follow-up shots. Twelve brightness settings give you options across full daylight, indoor environments, and low-light scenarios. Two settings are specifically compatible with night vision equipment, making this sight adaptable across multiple operational contexts.

Optical Performance and Mounting

The multilayer reflective glass delivers a bright, clear sight picture with parallax-free performance and unlimited eye relief. Windage and elevation travel spans ±30 MOA, giving you plenty of adjustment range. The included RMR-to-509T adapter plate enables direct mounting on slides and receivers that support RMR footprints. Note that this adapter is not compatible with ZEV or Shadow Systems platforms, which require different mounting solutions.

Follow safe handling and manufacturer instructions. Ensure compliance with all applicable federal, state, and local laws. Verify mounting compatibility before installation. Inspect the optic for damage before use.