This replacement or spare magazine is compatible with your ruger ar-556.Made in the usa.
Caliber: 450 Bushmaster
Capacity: 5rd
Finish: Black
Model: AR-556
Material: Steel
Type: Detachable
Model Fit: AR-556
Brand Fit: Ruger
Capacity: 5
Caliber: 450 Bushmaster
Capacity: 5rd
Finish: Black
Model: AR-556
Material: Steel
Type: Detachable
Model Fit: AR-556
Brand Fit: Ruger
Capacity: 5