This rotary magazine is constructed of plastic with a steel feed and clear finish. It is compatible with your 10/22, 10/22T, SR-22.
Specifications:

Caliber	22 LR
Capacity	10
Finish	Clear
Model	10/22
Material	Plastic
Type	Rotary
Model Fit	10/22 Series
Brand Fit	Ruger
Max Capacity	10