This Glock style suppressor height sight set is intended for use on the Ed Brown Fueled series M&P slide. Will co-witness with Trijicon RMR and SRO, and most other optics. Green tritium front sight is 0.350″ tall, plain black rear sight is 0.429″ tall. LumiGreen paint outline around front sight tritium will glow brightly for 10 minutes after light exposure. Ameriglo part number is GL-581.