Konus 7246 Multi-Reticle Dot Scope with Dual Mount Rail (Red/Green) Advanced 30mm tactical electronic dot sight features 4 different and distinct reticle patterns in red and green. Revolutionary dual-mount rail fits standard 5/8" bases and reverses to fit small bore 3/8" bases found on .22's and air guns. Rheostat click control provides 5 intensity changes for all lighting conditions. Revolutionary Tru-Loc system provides maximum stability for bases on .22's (all small bore 3/8"), standard 5/8", and Picatinny style. Finger adjustable tactical turrets with audible clicks. Great for shotgun, slug, and handgun applications.