Holosun 509T X2 Red MRS

Description

Holosun 509T X2 Red MRS

The Holosun 509T X2 Red MRS is the enclosed pistol optic built for shooters who carry hard, shoot often, and need a sight that keeps up with both.

The 509T X2 pairs a Grade 5 titanium housing with Holosun’s enhanced Super LED — a 650nm red emitter that delivers up to 50,000 hours of battery life on setting 6. Because the housing is fully enclosed, the emitter stays sealed against dust, debris, and moisture, which means your zero and your dot remain consistent regardless of conditions. The X2 generation also adds improved glass clarity and a new Lock Mode that prevents accidental brightness or reticle changes during carry — a practical refinement that carries over directly to real-world reliability.

The Multi-Reticle System gives you three red reticle configurations: a 2 MOA dot for precision, a 32 MOA circle for fast target acquisition, or a combined circle-dot for the shooter who wants both. Additionally, the side-loading CR1632 battery tray allows quick replacement without breaking zero or removing the optic from the slide. Solar Failsafe supplements battery power using ambient light, so the optic stays functional even with a depleted battery — and Shake Awake ensures the sight powers on the moment you draw.

Key Features — Holosun 509T X2 Red MRS

• Multi-Reticle System (MRS): Three selectable red reticles — 2 MOA dot, 32 MOA circle, or combined circle-dot
• Enclosed titanium design: Grade 5 titanium housing fully seals the emitter against dust, debris, and moisture
• 650nm Red Super LED: Up to 50,000 hours of battery life on setting 6
• Solar Failsafe: Ambient solar panel supplements battery power; keeps the optic operational even with a dead or missing battery
• Shake Awake Technology: Motion-activated illumination powers on instantly at the draw; conserves battery during inactivity
• Lock Mode (X2): Buttons lock out to prevent accidental reticle or brightness changes during carry
• Improved X2 glass clarity: Updated optics deliver a cleaner, distortion-free sight picture over the first-generation 509T
• Side-loading CR1632 battery tray: Battery replacement without removing the optic from the slide
• 12 brightness settings: 8 daylight + 4 additional settings, including 2 night vision-compatible levels
• IP67 weather resistance: Waterproof and sealed against submersion; 5,000G vibration resistance
• Included RMR-to-509T adapter plate: Mounts directly to most RMR-cut pistol slides (note: not compatible with ZEV or Shadow Systems RMR-interface slides)
• 1 MOA per-click adjustments: ±30 MOA travel range for windage and elevation

 

Why This Product Stands Out

The 509T footprint is one of the most widely-supported direct-mount optic cuts in the production pistol market, and because the included RMR-to-509T adapter plate extends that compatibility to the enormous installed base of RMR-cut slides, the 509T X2 fits more pistols out of the box than most competitors. Furthermore, the Grade 5 titanium housing is meaningfully lighter than comparable aluminum-body optics while outperforming them on toughness — Grade 5 titanium is the same alloy class used in aerospace and surgical applications. That combination of low weight and high strength makes the 509T X2 a compelling choice for both carry guns and competition builds where every ounce matters.

The X2 upgrade directly addresses the feedback that mattered most from the first-generation 509T. Improved glass clarity resolves the minor edge distortion some shooters reported, and the addition of Lock Mode closes the gap between the 509T and competing enclosed optics that had already implemented it. Notably, Auto Mode now runs in the background and provides solar power even when the battery is dead or removed — a genuine failsafe, not just a marketing term. The result is an optic that is meaningfully harder to lose power on than almost anything else in this class.

Holosun backs the 509T X2 with a three-year manufacturer warranty, and the IP67 rating confirms water and dust resistance to a standard that covers any realistic carry or duty environment. For the shooter who already has a 509T-cut slide, the X2 is a direct upgrade. For the shooter running RMR-cut hardware, the included adapter plate covers most pistols — with the noted exception of ZEV and Shadow Systems RMR-interface slides, which require a different adapter.

Ideal Use Cases

• Everyday carry (EDC) on a full-size or compact pistol
• Duty use — enclosed housing and titanium construction handle hard service conditions
• Home defense — fast MRS acquisition at close distances
• Competition — USPSA, IDPA, and Carry Optics divisions
• Range and training — solar + battery dual power means fewer interruptions

 

Technical Specifications

 

 

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Manufacturer: Holosun Technologies | Model: HE509T-RD X2 | Type: Enclosed Reflex Sight | UPC: 810047071600 | SKU: HE509T-RD X2