This fn magazine sleeve is compatible with the 509 mid-size 24rd 9mm luger magazine.
Caliber: 9mm Luger
Capacity: 24rd
Finish: Black
Model: Mag Sleeve
Material: Polymer
Model Fit: 509M
Brand Fit: FN
Capacity: 24
Caliber: 9mm Luger
Capacity: 24rd
Finish: Black
Model: Mag Sleeve
Material: Polymer
Model Fit: 509M
Brand Fit: FN
Capacity: 24