Tenon Staked Ramp Kensight Front Sight for Colt 1911A1 Series 70 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 Direct replacement Kensight sight for the Colt 1911 Series '70 Gold Cup pistols The ramp style front sight blade is ideal for defensive shooting Fine serrations for superior sight picture in all conditions