Description Ruger NICKEL 90229 Magazine for Mark 3 22/45 WILL NOT FIT MK-IV 22/45 Factory Ruger 90229 10 round magazine is what Ruger shipped with new Mark 3 – 22/45 pistols. This magazine will also work in Mark 2 – 22/45 pistol. Click Here for our page on how to properly adjust your magazines to feed properly *NO RUGER magazine comes from Ruger perfect.
