Night Fision Night Sight Set for FN 509-FN Herstal FN 509-White-White-Square Notch Rear+Front
Night Fision Night Sight Set for FN 509-FN Herstal FN 509-White-White-Square Notch Rear+Front, Our patented, injection molded sleeve design holds our tritium vials securely in place using ballistic materials. Night Fision night sights carry more tritium than the average night sight on the market and a domed lens engineered to create a crisp, defined glow. Features: Brightest Tritium Night Sights on the market Domed lens collimates tritium rays for a sharper sight picture