Viridian HS1 Handstop Laser Review & Install Hack
Sounds good, but how does it perform? How Does It Work? The handstop part of it is pretty straightforward. While many polymer handguards have integral handstops built-in, most can be fairly small. When you grip it, the pressure activates a green laser that is built into the handstop. The battery will run for an hour and a half continuously before it will need to be replaced. The HS1 is built for M-Lok attachment points....