This magazine is compatible with your fn five-seven.It is constructed of polymer with polymer follower.
Caliber: 5.7x28mm
Capacity: 20rd
Finish: Black
Model: Five-seveN
Material: Polymer
Type: Detachable
Model Fit: Five-seveN
Brand Fit: FN
Capacity: 20
Caliber: 5.7x28mm
Capacity: 20rd
Finish: Black
Model: Five-seveN
Material: Polymer
Type: Detachable
Model Fit: Five-seveN
Brand Fit: FN
Capacity: 20