Trijicon bright & tough night sights are three-dot iron sights that increase night-fire shooting accuracy by as much as five times over conventional sights.They are housed in a metal body cushioned within silicone rubber and feature a unique shock-resistant design.Each lamp is capped with a sapphire jewel to help evenly distribute the light while protecting the lamp from solvents and puncture.It is contained within aluminum cylinders for additional protection.Rear Color: Green w/White OutlineType: Front/Rear SetFrame Material: MetalFrame Color: BlackFirearm Fit: S&W M&PStyle: 3 DotFront Material: TritiumRear Material: TritiumFront Color: Green w/White OutlineRail Size: N/AWindage Adjustment: NoElevation Adjustment: NoFirearm Type: Handgun