This replacement or spare magazine is compatible with your ruger sr-556, ar-556.It features an orange mag follower.Made in the usa.
Caliber: 223 Rem
Capacity: 10rd
Finish: Black
Model: AR-556
Material: Steel
Type: Detachable
Model Fit: SR-556
Brand Fit: Ruger
Capacity: 10
Caliber: 223 Rem
Capacity: 10rd
Finish: Black
Model: AR-556
Material: Steel
Type: Detachable
Model Fit: SR-556
Brand Fit: Ruger
Capacity: 10