AmeriGlo 1L Tall Features The Ameriglo 1L Tall Tritium Sight Set is built specifically for Glock MOS slides to deliver a co-witness sight picture alongside a slide mounted red dot optic. The front sight uses a tritium insert for reliable visibility in low light with a green tritium color set against a white LumiGreen or black outline that improves daytime visibility and target acquisition. The rear sight uses a flat black square notch design that avoids glare and keeps the shooter s focus on the front sight where it belongs. At the 1L height specification the front sight stands .220 inches tall and the rear sight .295 inches tall dimensions calculated specifically to co-witness through the window of optics like the Holosun 507K 407K EPS Carry and Vortex Defender. Machined from steel these sights are built to withstand the recoil and daily carry wear a duty or everyday carry pistol experiences over its service life. Because they are designed for all Glock MOS slide patterns this set offers broad compatibility across the Glock MOS lineup for shooters running a variety of pistol models with the same optic setup. Having tritium illuminated sights that co-witness properly through a mounted optic gives shooters a dependable backup aiming reference if the optic s battery dies or the unit fails in the field. For Glock MOS owners running a compact red dot optic this Ameriglo 1L tall sight set provides a properly sized reliable iron sight solution. AmeriGlo 1L Tall Specifications Manufacturer: AmeriGlo Model: 1L Tall Type: Tritium Sight Set Front Sight Style: Tritium Front Tritium Color: Green Front Outline Color: White LumiGreen or Black Rear Sight Style: Flat Black Rear Sight Shape: Square Notch Material: Steel Compatible Hosts: All Glock MOS Models Front Height: .220 Rear Height: .295 Weight: 0.313 lbs Available At: GrabAGun