AmeriGlo Tall Suppressor Sights, 3XL Height, Fits All Glocks Except 42/43, Black Serrated .365 Front, Flat Black .451 Rear GL-506 AMERIGLO is committed to manufacturing the highest quality tritium" painted dot" fiber rod" and custom OEM iron sights for the modern hand-gunner. This sight set with flat black rear and serrated front was designed for use on Glock MOS pistols with Trijicon RMR/SRO and Holosun 407/507/508T optics. With the largest selection of set options for leading firearm brands" AMERIGLO brings a clear advantage to your shooting experience on and off the range.