Mec-Gar magazines are made in Italy with the most sophisticated technologies and best materials. This mag features a high-impact polymer follower, heat treated carbon steel tube, and a high-impact polymer floor plate that sits flush with the pistol. *Note- this mag will not work in the Ruger Mark IV 22/45.
Specifications:

Caliber	22 LR
Capacity	10
Finish	Blued
Model	Replacement Magazine
Material	Steel
Type
Model Fit	Mark III 22/45
Brand Fit	Ruger
Max Capacity