Matched sight set features green tritium on both the front and rear sights for fast pickup under any light conditions. Rear sight features vertical tritium bar with a highly visible, white border; front includes tritium dot surrounded by a white ring. Rounded, low profile design won't slow your draw. Designed to directly replace factory sights. Big Dot (BD) front sight has a large, easy-to-see white ring surrounding the tritium dot. Mfg: Xs Sight Systems