This is a Crimson Trace Corporation Laser known as the Laserguard, model LG-469G.
The LG-469G Green Laserguard(R) is a compact green laser sight designed specifically for Springfield Armory's XD-S pistol. The laser sight attaches firmly around the trigger guard" and features Crimson Trace's famed Instinctive Activation(TM)" which allows the laser to be activated by simply gripping the pistol in a normal firing grip. The LG-469G provides 2 hours of run time on a single 1/3N battery (provided). Easily user-installed in moments with no alterations to the firearm" the LG-469G is fully adjustable for windage and elevation.
Features:
Front activation
Green laser
Factory sighted at 50Ft
.5 inch diameter at 50 feet
