AmeriGlo 8XL Tall Black serrated .475 FRONT Flat Black .578 REAR Fits all Glock. Items also available individually. Specifications for AmeriGlo Glock Optic Compatible Sight Set: Manufacturer: AmeriGlo Gun Make: Glock Color: Black Fabric/Material: Steel Front Material: Steel Gun Type: Pistol Illumination Type: Non-Illuminated Illumination Color: None Additional Features: Fits all Glock Models Included Accessories: Standard Condition: New Features of AmeriGlo Glock Optic Compatible Sight Set: Designed for use as back up or co-witness iron sights for pistol mounted red dots Package Contents: AmeriGlo Glock Optic Compatible Sight Set AmeriGlo GL-528: 8XL Tall Black serrated .480in FRONT Flat Black .578in REAR Fits all Glock except 4243 44 48