- The DS-121 Defender Series™ Accu-Guard™ Laser Sight By Crimson Trace Fits Glock Full-Size And Compact Pistols. The Defender Series Sets A New Standard In Laser Sight For Glock Pistols By Providing Cutting Edge Design, Superior Technology, And An Affordable Price Tag.
- The DS-121 Features Beam Lock™ Adjustments So That The User Can Easily Adjust Laser Sighting For Both Windage And Elevation, And The Unit Is Pre-Sighted At The Factory At 50 Ft. The Dual Side N-Gage™ Activation Buttons Provide A Large, Easy-To-Find, Bright Red Activation Button, Which Emits A Powerful (5Mw Peak, 620-670Nm, Class 3R) Red Aiming Laser.