The Barska 3-9x 42mm IR Contour Compact Rifle Scope with Trace Reticle is a compact rifle scope packed full of features usually reserved for the most high end optics. The compact size of the rifle scope makes it a perfect option for Modern Sporting Rifles, as well as popular Pistol Caliber Carbines. The rifle scope's second focal plane glass etched trace MOA IR reticle illuminates in red, green, and blue with three brightness settings for each color, with only the center of the crosshair illuminating to prevent potential washout of your target and sight picture. This rifle scope is perfect for serious hunters and shooters who are looking for a quality scope.