Night Fision Night Sight Set for FN 509 Reticle Color:Yellow Front Microphone slit on both shoulders

Microphone slit on both shoulders

It features dual power switches and an intuitive mode selector switch for ease of use

Visible over 10 miles

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

Integrate using two (2) 3" TacTie Attachment Straps (sold separately)

Night Fision Night Sight Set for FN 509 Reticle Color:Yellow Front Microphone slit on both shouldersNight 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