Introducing the first high-performance optic designed exclusively for crossbows, delivering unmatched precision and innovation. Featuring illuminated reticles optimized for speeds ranging from 300 fps to 440+ fps, this cutting-edge system includes bolt drop stadia lines out to 80 yd and Bad River Outdoors' patented deer/elk ranging technology, revolutionizing ranging and hold-over within a single field of view. Paired with the Trijicon Compact ACOG Mount w/ Q-LOC Technology, crafted from Mil-Spec drop test-rated 6061-T6 aluminum, it ensures 1-handed, tool-free mounting, constant zero retention and superior return-to-zero performance. With a lightweight, low-profile design, this optic-mount combo is fully compatible with Mil-Spec and NATO Picatinny rails, setting a new standard in crossbow accuracy and reliability. The reticle is equipped with Bad River Outdoors patented deer/elk ranging capabilities, allowing for quick and accurate ranging out to 80 yd Tritium-phosphor lamp provides illumination in low light conditions for fast target acquisition, with a 15 years guarantee The Trijicon ACOG XB's design is more rugged than conventional optics, with only the prism housing moving to enhance durability Trijicon ACOG XB enhances hit potential in all lighting conditions without the need for batteries Forged 7075-T6 aircraft-grade aluminum housing offers extreme durability and resilience, designed to withstand crossbow shock patterns Dry nitrogen-filled housing prevents fogging, ensuring clarity and performance in all-weather conditions Trijicon fiber optics automatically adjust the reticle's brightness and contrast, adapting to the available light for optimal visibility Multi-coated, broadband, anti-reflective-coated lenses provide superior clarity and light gathering capabilities, ensuring zero distortion