Forward Controls Design BIS Tritium Pistol Night Sight Glock 43X and 48 Green/White Front Sight Green Rear Sight Black BIS w/front/rear trit. Specifically made for Glock G43X and G48 these sights are based on the superb Ameriglo GL-527 with a front sight height of 0.450in and a rear sight height of 0.554in this sight sets provide lower 1/3 co-witness with the Trijicon RMRcc when used with the OPF-G43X/43 RMRcc on GLOCK's G43X and G48. BIS 43X/48 consists of the following: Front sight green Tritium and white outline (no serrations). Rear sight serrated. Specifications for Forward Controls Design BIS Tritium Pistol Night Sight: Manufacturer: Forward Controls Design Gun Make: Glock Gun Model: Glock 48 Glock 43X Color: Black Front Sight Color: White Green Gun Type: Pistol Front Blade Height: 0.45 in Rear Blade Height: 0.554 in Features of Forward Controls Design BIS Tritium Pistol Night Sight Front sight back strap angle is steeper (25 degrees on the serrated non-tritium front sight 20 degrees on non-serrated tritium front sight) to mitigate snagging when the pistol is drawn from and out of the holster where it's likely to encounter clothing and the front sight's top corners are softened Rear sight is horizontally serrated Package Contents: Forward Controls Design BIS Tritium Pistol Night Sight Forward Controls Design BIS w/front/rear trit: BIS Tritium Pistol Night Sight Glock 43X and 48 Green/White Front Sight Green Rear Sight Black