Viridians new HS1 is the worlds first AR hand stop with integrated laser sighting device. Utilizing MLok mounting, double pressure activation buttons, adjustable windage and elevation, and an ergonomic design, the HS1 is the perfect accessory for your tactical firearm. The unique double pressure activation buttons make the HS1 ideal for use on AR-style firearms as the laser can be activated when the shooter is using a thumb-over-bore or C Clamp grip, or a traditional offhand rifle grip. The shooter gets all the protection of a hand stop while utilizing a highly visible green laser sight for aiming.