DXW Big Dot night sights are for S&W M&P and Compact handguns and have been designed for defensive shooting. These sights have a snag-free designed that will not catch on clothing and are meant for an easy draw from your concealed carry holster. The large front tritium sight improves the speed of target acquisition, while the rear V-Notch sight provides a large field of view. The tritium lamps aid sight alignment in all lighting conditions. DXW Sights will allow you to get on target fast and focus on the front sight so that you can make a reliable shot. XS Sights DXW Big Dot Night Sights are there when the shot matters most. Fits: S&W M&P and Compact