Acquire targets faster and easier with their Tyrant Designs CNC Glock compatible suppressor height and co-witness Sights! Manufactured from 7075 aluminum ( the same tensile strength as steel ) their Glock compatible sights bolster a unique serration AND front side design that allows you to be more accurate and in less than average amount of time. Whether its to clear their suppressor OR to co-witness with any popular red-dot, Tyrant Designs offer the highest grade materials with a functional and aesthetic design. 7075 Aluminum All of their mechanical suppressor height and co-witness sights for Glocks are made from 7075 aluminum, which has a hardness that belittles many steels. T Mfg: Tyrant Cnc