Utilizing a dot-over-dot configuration" their i-Dot sets have an extended square-notch rear for increased sight radius with a glare-reducing undercut rear face. The i-Dot sights provide a quick and easy vertical sight alignment" making it an excellent choice for all shooters. Green tritium" .140" wide orange outline front Green tritium" .165" wide round notch rear Fits M&P Shield
RIF. AMG.SW-245