HiViz , Glock 34/35 Interchangeable Front Sight, Red/Green is a part of the high quality and dependable Illuminated Night Sights from HiViz. All of the features you need for a price you want. Illuminated Night Sights from HiViz are well known for their quality and HiViz , Glock 34/35 Interchangeable Front Sight, Red/Green upholds that standard.