Tactical Block HOLOSUN LS420-GR (LS420G) Green & IR / White & IR illuminator — a high-performance multifunctional module for professional tactical use. The device combines a visible green laser designator, an invisible IR designator, an IR illuminator with beam focusing, and a powerful 800 lm LED flashlight, ensuring versatility in various operational and training conditions. The manufacturer's source materials contain two wavelength values for the green part: 520 nm (visible radiation, maximum power 5 mW, Class IIIa) and 620 nm (indicated in the technical section) — both versions are preserved in the documentation and accounted for in the description.
Key Features
- Visible green laser designator
- IR designator (invisible to the naked eye)
- IR illuminator with beam focusing capability for alignment with an optical system
- Powerful 800 lm LED flashlight for target illumination
Operating Modes
- IR designator (low)
- Laser designator (low)
- Flashlight (low)
- Laser designator (low) + flashlight (low)
- IR designator (high)
- Laser designator (high)
- IR illuminator
- IR designator (high) + IR illuminator
- Flashlight (low) + Laser designator (high)
Design and Control
- Ergonomic "FIRE" activation button on the body for quick and intuitive control
- Indicators for active IR modes on the body
- Quick Detach mount for rapid installation on Weaver/Picatinny rails
- Top mount for Holosun red-dot sights
- Supports 18650 batteries or CR123A batteries with the ability to charge 18650 directly in the device
- 4-pin connector for external power supply
- Remote wired pressure switch for remote activation
- Rotary switch for quick mode changes
- Windage and elevation adjustment mechanisms for precise zeroing
Technical Specifications
| Parameter | Value |
|---|---|
| Green Laser Wavelength (as per description) | 520 nm (visible radiation, maximum power 5 mW, Class IIIa) |
| Green Laser Wavelength (in technical specifications section) | 620 nm |
| IR Laser Wavelength | 830 nm |
| IR Laser Illuminator Wavelength | 830 nm |
| Laser Illumination | Dual: Green Laser Pointer / IR Laser Pointer |
| LED Flashlight | 800 lm |
| Power Supply | 18650 battery or CR123A batteries; 18650 charging capability in the device; 4-pin connector for external source |
| Mounting | Quick Detach mount for Weaver/Picatinny; top mount for Holosun red-dot sights |
| Control | "FIRE" button, IR mode indicators, remote wired pressure switch, rotary mode switch |
| Adjustments | Windage and elevation adjustments |
| Green Laser Output Power (LOW mode) | (value not specified in the original description) |
Brand: HOLOSUN. Product Category: Military Equipment > Optics > Tactical Block. The LS420-GR is designed as a universal solution for shooters, special forces, and professionals who require simultaneous operation of visible designators, covert IR modes, and bright light from an LED flashlight. The combination of a quick-detach mount, compatibility with various power sources, charging capability, and convenient controls makes this module a reliable and flexible tool for tactical tasks.
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