Ruger Magazine, BX-25 2-Pack, 22LR, 25 Rounds, Fits 10/22, Polymer, Black, This is 2-25rd magazines coupled together 90398
Specifications:

Caliber	22 LR
Capacity	50
Finish	Black
Model	10/22
Material	Polymer
Type	Detachable
Model Fit	10/22 Series
Brand Fit	Ruger
Max Capacity	50