The Crimson Trace Lasergrips platform is a decisive tactical advantage for handguns and changes the way gun owners approach personal protection. It offers immediate targeting laser beam when you hold your gun in a natural firing grip. The innovation, Instinctive Activation, saves precious time when seconds count. The Lasergrips features a master on/off switch, are easily user-installed with zero modification to your firearm and are completely user-adjustable for windage and elevation. *Fits Bersa's Thunder .380 Series and Firestorm .380, except Concealed Carry.