Holosun AEMS Rifle Sight Red Multi-ReticleHolosun AEMS Rifle Sight Red Multi Reticle Enclosed micro reflex sight for rifles, shotguns, and long guns; Red Multi Reticle System (MRS) with 2 MOA dot, 65 MOA circle, or both; 12 brightness settings, including four night vision compatible modes; Auto and manual brightness adjustment with ambient light sensors; Shake Awake technology with last setting recall; 0. 5 MOA adjustment per click for precision zeroing; + 50 MOA windage and elevation