TRIJICON NS SUP SET FOR GLK 20 B/B

TRIJICON NS SUP SET FOR GLK 20 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