This magazine is compatible with your fn 509.It is constructed of stainless steel with at flat black finish, high visible anti-tilt follower, and flat base pad.*note- this mag will not work with fns tm or fnx tm pistols.
Caliber: 9mm Luger
Capacity: 10rd
Finish: Flat
Model: 509
Material: Stainless Steel
Type: Detachable
Model Fit: 509
Brand Fit: FN
Capacity: 10
Caliber: 9mm Luger
Capacity: 10rd
Finish: Flat
Model: 509
Material: Stainless Steel
Type: Detachable
Model Fit: 509
Brand Fit: FN
Capacity: 10
