Bring down your prey with the Trophy Ridge React-One 0.019" 1-Pin Sight, which features Smart Pin Technology for great accuracy and aluminum construction for a rugged design. The 100% toolless micro-adjustability and second- and third-axis adjustability allow flexible customization, and multiple mounting holes offer versatile use. Includes yardage stickers for 20-100 in red, white and yellow, a rheostat light and a sight level.