XS R3D Suppressor Height Night Sights? For HK VP9 Optics Ready. Tritium powered front sight and rear sight. High-contrast colored front sight. Glow dot absorbs ambient light and glows in low light. Rear sight overhang reduces glare. Anti-reflective rear tritium lens. Rear sight ledge for one-handed slide manipulations. Durable CNC machined steel. Made in Fort Worth, TX. Item must be in new and un-used condition, and include any original tags or packaging.