Xs dxw2 big dot tritium night sights offer the best front sight visibility in all lighting conditions.Dxw2 big dot sights drive focus to the front sight using a high-contrast front and a v-notch rear for an unobstructed view of the front sight.The front sights use a patent pending glow dot that absorbs light and glows in low light levels before it is dark enough to see the tritium.Note: this model does not fit springfield hellcat osp models.Rear Color: Black with White StripeFrame Material: SteelFrame Color: BlackFirearm Fit: Springfield XD-SStyle: Night Sight SetFront Material: TritiumRear Material: TritiumFront Color: Green with Yellow Outline