FN 509® Night Sight Set

The 509® Night Sight Set features the same frontand and rear sight design as the standard sights but with Tritium inserts for low-light target acquisition.  The set contains a front and rear sight, these will not fit FNS or FNX series pistols.  

WARNING: This product can expose you to chemicals including Lead which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.p65Warnings.ca.gov