The RX-Fulldraw 4 combines the lightning-fast accuracy of Leupold's DNA engine with the acclaimed Archers Advantage software, making it the most ballistically advanced rangefinder on the market. Using your personal ballistics, shot distance, and angle compensation, the Fulldraw 4 calculates laser-accurate ranges based on your specific gear. Loaded with features designed for the modern archer, like Flight path technology, we take the guess work out of achieving the perfect shot every time.