This replacement or spare magazine is compatible with your fn fnx.It is constructed of heat treated steel with injection molded mag follower and mag spring formed from chrome silicone wire.Made in the usa.
Caliber: 45 ACP
Capacity: 20rd
Model: Standard
Material: Steel
Model Fit: FNX
Brand Fit: FN
Capacity: 20
Caliber: 45 ACP
Capacity: 20rd
Model: Standard
Material: Steel
Model Fit: FNX
Brand Fit: FN
Capacity: 20