10rd magazine is compatible with your ruger sr.
Caliber: 45 ACP
Capacity: 10rd
Finish: Black
Model: SR45
Material: Steel
Type: Detachable
Model Fit: SR
Brand Fit: Ruger
Capacity: 10
Caliber: 45 ACP
Capacity: 10rd
Finish: Black
Model: SR45
Material: Steel
Type: Detachable
Model Fit: SR
Brand Fit: Ruger
Capacity: 10