Product Features & SpecificationsTrijicon HD Tritium Night Sights, orange outline, fits the following GLOCK models: Glock 17 Glock 17L Glock 19 Glock 22 Glock 23 Glock 24 Glock 25 Glock 26 Glock 27 Glock 28 Glock 31 Glock 32 Glock 33 Glock 34 Glock 35 Glock 37 Glock 38 SKU GL101O UPC 719307209633