Viridian Weapon Technologies HS1 M-Lok Mounting Infrared Laser Black. Utilizing M-Lok mounting grip activation buttons adjustable windage and elevation and an ergonomic design the HS1 is the perfect accessory for your tactical firearm. The uniquely placed pressure activated button makes the HS1 ideal for use on AR-style firearms as the laser can be activated when the shooter is using a variety of grip styles. The shooter gets all the protection of a hand stop while utilizing an invisible IR laser sight for aiming when utilizing night vision accessories. Specifications for Viridian Weapon Technologies HS1 M-Lok Mounting Infrared Laser: Manufacturer: Viridian Weapon Technologies Beam Color: IR Battery Type: CR1/3N Battery Life: 1.5 hours Beam: Infrared Water Resistance Level: Water Resistant Operating Temperature: 14 - 140 Fahrenheit Weight: 1.13 oz Additional Features: OpticsPlanet Exclusive Condition: New Mount Type: M-LOK Fabric/Material: 6061 Aircraft Grade Aluminum / High-Grade Polymer Features of Viridian Weapon Technologies HS1 M-Lok Mounting Infrared Laser Makes the rifle easier to control and brings the shooter faster to target Invisible IR Laser for use with Night Vision only Low bulk no wires just grip and rip Laser is intuitively activated by the grip of the shooter's support hand Ambidextrous activation via all variety of hand grips Fits directly on MagPul MLOK rails or to Picatinny rails with an MLOK adapter Uses a single 1/3N battery Easy windage and elevation adjustment Available in multiple combos of lasers colors and housings Package Contents: Viridian Weapon Technologies HS1 M-Lok Mounting Infrared Laser Viridian Weapon Technologies 912-0040: HS1 M-Lok Mounting Infrared Laser Black