Here is a gun magazine for Ruger MK II guns. This is a Factory 10 round 22lr gun magazine. Made from heat treated steel with a black finish and using a high impact strength polymer floor plate and follower. The spring is made from carbon silicon wire for retention and durability. FREE shipping on orders over $75! Orders shipped within 24 hours except week-ends and holidays. Gunclip Depot has the largest selection of Ruger 22LR magazines.