Description
Optimized for Shadow Systems Pistols
- Direct fit for RMR-cut slides (MR920, DR920, XR920, etc.)
- Ideal for EDC, duty, and range use
- Supports both speed-focused and precision shooting styles
- Maintains compatibility with most RMR holster setups
The Holosun HS507C-X3-RD builds on one of the most trusted pistol optics platforms with a reinforced housing, improved brightness management, and Holosun’s proven Multi-Reticle System (MRS). Designed around the industry-standard RMR footprint, the X3 drops directly onto most optics-ready Shadow Systems pistols with compatible slide cuts.
Featuring Solar Failsafe, Shake Awake, and a side-loading CR1632 battery, the 507C-X3 is built for real-world use—whether you’re running duty, concealed carry, or range work.
This is a no-compromise optic for shooters who want durability, flexibility, and long-term reliability in a compact footprint.
Key Features
Multi-Reticle System (MRS)
- Select between:
- 2 MOA dot (precision)
- 32 MOA circle (speed)
- Circle + dot combination
- Adapt your reticle to mission, lighting, and shooting style
Solar Failsafe + Intelligent Brightness
- Integrated solar panel provides backup power and assists brightness adjustment
- Forward-facing sensor helps adjust reticle intensity based on lighting conditions
Shake Awake Technology
- Motion-activated system turns the optic on when needed
- Automatically powers down during inactivity to extend battery life
Side-Loading Battery
- CR1632 battery tray allows replacement without removing the optic
- Eliminates need to re-zero after battery swaps
Extended Battery Life
- Up to 100,000 hours of runtime with efficient power management
RMR Footprint Compatibility
- Direct fit for most RMR-pattern slides (including many Shadow Systems optics-ready pistols)
Duty-Ready Construction
- 7075-T6 aluminum housing for enhanced durability
- IP67 waterproof rating and vibration resistance for hard-use reliability
| Feature | Specification |
|---|---|
| Reticle | 2 MOA Dot / 32 MOA Circle / Circle-Dot (MRS) |
| Reticle Color | Red (650nm LED) |
| Magnification | 1x |
| Battery | CR1632 (side-loading) |
| Battery Life | Up to 100,000 hours |
| Brightness Settings | Daylight + night vision compatible |
| Footprint | RMR |
| Housing | 7075-T6 Aluminum |
| Waterproof Rating | IP67 |
| Window Size | ~0.91″ x 0.67″ |
| Weight | ~1.5 oz |
| Parallax | Parallax-free with unlimited eye relief |
