Meprolight Hyper Bright Night Sights - S&W M&P Shield, Yellow Front Sight Mepro Hyper-Bright™ fixed pistol sight features an extremely bright contrasting colored ring front sight. Shooters can select from one of three colors— Green, Yellow or Orange—for the front sight. The tritium is illuminated green to provide low-light and nighttime aiming capabilities. The contrast in colors of the two components helps the shooter focus on the front sight quicker, which is critical in defensive and competitive shooting. - Large and colored front sight ring - The Brightest Tritium night sights - Available for various handgun models