Features a 15.5mm x 22mm lens with unlimited eye relief and parallax-free operation out to 33 yards for faster and more accurate target acquisition in dynamic tactical situations without occluding your field of view. Choose from a red or green color for your combination 65mm circle and 3 MOA dot reticle. Adjustable at 1 MOA per click through a 45-click range for both windage and elevation (90 total). User-adjustable brightness settings allow for ten gradients, 8 for normal light and two that are night vision compatible. Ready for mounting on standard RMR footprints or with the included low-profile 1913 Picatinny mount.