This magazine is compatible with your fn 503.It features a stainless steel body with a black base pad.
Caliber: 9mm Luger
Capacity: 6rd
Finish: Black
Model: 503
Material: Stainless Steel
Model Fit: 503
Brand Fit: FN
Capacity: 6
Caliber: 9mm Luger
Capacity: 6rd
Finish: Black
Model: 503
Material: Stainless Steel
Model Fit: 503
Brand Fit: FN
Capacity: 6
