The Scattergun Technologies Track-Lock II Ghost Ring Sight Set gives you high speed sight acquisition and improved accuracy. This rugged sight set is fully CNC machined from bar stock steel and features a tritium insert in the front sight for low light use. Both elevation and windage are quickly and easily adjusted with a single hex head screw. Easy to install, complete instructions included. FeaturesHigh Speed Sight Acquisition and Improved AccuracyFully CNC Machined from Bar Stock SteelElevation and Windage are Quickly and Easily Adjusted with a Single Hex Head Screw