The Smith & Wesson M&P15-22 Sport rifle is now available in an optics ready configuration complete with a factory mounted red-green dot optic. With a variable intensity dot in both red and green, and adjustable for windage and elevation, the included optic allows for a quick and easy sighting solution.FeaturesA2 Flash Hider10" M&P Slim Handguard with Magpul M-LOK2" M-LOK Rail Panel IncludedFunctioning Charging Handle2-Position, Receiver Mounted Safety MP-100 M&P Red/Green Dot OpticModel: MP-100Reticle: Variable Intensity, 4.0 MOA Round DotReticle Color: Red or GreenAdj Click Value: 1/4" MOA @ 100 YardsEye Relief: UnlimitedBattery Type: CR1620 (1 Battery)Compatible with most M1913 Picatinny RailsAdjustable for Windage and ElevationFlip-Open Lens CapsOne-Piece Tube ConstructionBlack Finish