Viridian HS1 FDE Hand Stop with Red Laser, M-LOK

The Viridian HS1 FDE is an AR-platform hand stop that integrates a red laser sighting device into a compact M-LOK-mounted form factor. It features pressure-activated grip buttons and user-adjustable windage and elevation to allow on-weapon aiming without adding a separate sighting device. The HS1 combines hand-stop protection with a visible aiming laser intended for day and night use.

Key Specifications

• Mounting interface is M-LOK for direct attachment to compatible handguards.
• Laser color is Red with a wavelength of 635–650 nM.
• Effective range is rated at 100 Yards Day/2 Miles Night under manufacturer conditions.
• Activation method is Automatic via pressure-activated grip buttons.
• Adjustment includes Windage and Elevation for on-platform alignment.
• Battery type is 1/3N with a constant run time of 1.5 hours.
• Finish is Flat Dark Earth to match common AR furniture.
• Fit is specified for AR-Platform firearms.
• Operating temperature range is 14° F to 140° F.
• Manufacturer warranty length is 7 years.

The HS1 FDE pairs a compact hand stop profile with integrated aiming capability to reduce accessory footprint on M-LOK equipped rifles. Its pressure-activated control and adjustable laser provide a practical, low-profile aiming solution for shooters using AR-platform firearms.