Faster to sight in and mathematically impossible to be inaccurate, the React sights will make you a better shooter! Features Reduces vibration while maintaining lightweight strength with Ballistix CoPolymer construction. Clear, unobstructed view of your target with Vertical InLine Pin Technologyâ Reduces vibration while maintaining lightweight strength with Ballistix CoPolymer System Make easy corrections with advanced toolless microclick windage and elevation adjustments Strengthen accuracy over longer distances with dualaxis adjustment