This sight is capable ofbeing mounted to variable and fixed magnifcationo ptics.This gives you a fast and lightweight reflex option to engage in CQB scenarios, while bcing able to quickly switch back to a magnifed optic for longer range shots, lf you're looking for the ultimate lightweight reflex sight for your rife, this product is perfect for you.New casy to use adjusters with audible clicks allows for quick windage and elevation adjustments.With available brightness settings, The reticle can be adjusted manually by clicking the plus or minus buttons to the left of the sight. Among the available brightness settings, the reticle can be adjusted by clicking the plus or minus buttons in the lower left corner of the sight. Adiust the reticlemanually.