XS SIGHT SYSTEMS 24/7 Express +1 Std Dot Night

XS original Standard Dot 24/7 Express sights are the finest sights made for fast sight acquisition in all light conditions. Day light, half light or low light "just dot the I". Fast, simple and effective. This is the ultimate self defense sight system that provides sights you can see around the clock. Features include: Enhanced sight acquisition in all light conditions Ultimate "Flash Sight" picture Excels in high stress defensive situations Improves low light accuracy Low profile, snag free design XS sights are easy to install and include the tools necessary for installation. Fits M/20,21,29,30,37 Express sight alignment is fast and simple. Place the full circle of the dot front sight over the shallow V of the rear sight. Close Range to 15 yards; Get a quick hit at normal defensive ranges by placing the full dot on the intended point of impact. Extended Range 25 yard and more; Using the top of the dot allows precise shot placement beyond normal defensive ranges.