Trijicon night sight set hd xr yellow outline fn 509
FEATURES:
-Fits FN509
--HD™ night sights
-Thinner front sight post for a larger field of view
-Yellow front outline
Other Features: Yellow front outline, green lamps, expanded field of view for longer-range engagements, u-notch rear sight, photoluminescent painted front outline, one-handed slide manipulation
