When quick target acquisition and durability are needed, look no further than this quality, yet highly affordable, optic.  Passive Single-Dot Reticle Optical Sight.  Higher shooting profile.  Easy attach/detach design. Well suited for a variety of applications.  Shock-Resistant.  Water-Resistant.  Variable Dot Reticle Colors:  Read and Green.  Multiple MOA:  Dot Reticle can be adjusted to several different intensities/diameters.  Spring-loaded flip up lens covers.  Please note:  This optical sight is a one power (1X) device which does not magnify the target.