Kensight DAS 1911 Defense Adjustable Rear Sight Set Tritium insert - Night Sights Serrated Blade - 0.200" Front Sight Genuine 0.076" Trijicon Inserts Tritium Glow Bright with no need for batteries! Sight Body is wire-EDM machined from a Solid Billet of Chrome-Moly steel Snag-Free Combat Style Sight Body Allows One Handed Operation of Slide Fits 1911 Novak LoMount rear sight dovetail cut Fine serrations for superior sight picture in all conditions