Night Fision Night Sight Set for FN 509 Reticle Color:Yellow Front Visible over 10 miles

Visible over 10 miles

you can also check the battery status with the tri-color indicator on the optic

along with biological

Accelerate your eye pro with the Rollbar interchangeable-lens sunglass from ESS

Night Fision Night Sight Set for FN 509 Reticle Color:Yellow Front Visible over 10 milesNight Fision night sights offer a revolutionary new design that with brighter, more vivid, aiming dots. Like all night sights, Night Fision uses self illuminating Tritium to get the ''always on'' glow that makes them so effective. Night Fision sights have 30% more Tritium than most sights on the market. The Tritium insert isnt surrounded by a painted on ring, but rather one made of a daylight fluorescing material that produces optimum visibility in