Elevate your Glock with XS Sights' R3D Night Sights - the ultimate solution for low-light shooting! These sights fit a wide variety of Glock models, including those that require suppressor height sights, so you can upgrade any Glock in your collection.Features :Tritium front and rear with high contrast glow dotPhotoluminescent glow dot absorbs ambient light and glows in low lightWide notch rear with anti-reflective lensTraditional 3-dot tritium, notch and post, sight pictureSuppressor height, MOS compatible, will co-witness with some optics