This replacement or spare magazine is compatible with your ruger sr-556.Made in the usa.
Caliber: 6.8mm Rem SPC
Capacity: 5rd
Finish: Black
Model: SR-556
Material: Stainless Steel
Type: Detachable
Model Fit: SR-556
Brand Fit: Ruger
Capacity: 5
Caliber: 6.8mm Rem SPC
Capacity: 5rd
Finish: Black
Model: SR-556
Material: Stainless Steel
Type: Detachable
Model Fit: SR-556
Brand Fit: Ruger
Capacity: 5