TRIJICON SUP NS SET FOR GLK 9MM B/B: Trijicon Bright & Tough(TM) Night Sights are three-dot iron sights that increase night-fire shooting accuracy by as much as five times over conventional sights. Equally impressive, they do so with the same speed as instinctive shooting - and without the need for batteries.
Features :
- Tritium-Phosphor lamp
- Sapphire window
- Silicone rubber cushion
- Protective aluminum cylinders
- Suppressor sights
- Back up iron sights