Promag Standard, Pro Siga20 Mag Sig 320 9mm 21rd Steel

This replacement or spare magazine is compatible with your sig sauer p320.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: 9mm Luger
Capacity: 21rd
Model: Standard
Material: Steel
Model Fit: P320
Brand Fit: Sig Sauer
Capacity: 21