Meprolight Hyper-Bright, Tritium Sight Set, Green Front/Green Rear, Fits S&W M&P Shield

It's the world's brightest handgun sight in any light. With tritium specially formulated to give you industry-first brilliance from broad daylight to midnight. These self-illuminated, fixed tritium sights feature an extremely bright colored ring front sight in your choice of green, yellow or orange, delivering supreme visibility as a night sight or day-night sight. Contrasting front and rear sight colors help shooters focus on the front sight quicker for faster target acquisition in all lighting