This replacement or spare magazine is compatible with your ruger 57.Made in the usa.
Caliber: 5.7x28mm
Capacity: 20rd
Finish: Oxide
Model: Ruger-5.7
Material: Steel
Model Fit: Ruger-57
Brand Fit: Ruger
Capacity: 20
Caliber: 5.7x28mm
Capacity: 20rd
Finish: Oxide
Model: Ruger-5.7
Material: Steel
Model Fit: Ruger-57
Brand Fit: Ruger
Capacity: 20