Majestic Arms® competition ready magazines for your Ruger® Mark II™ Mark III™ and Mark IV™ pistols. The interior surfaces of these magazines are moly coated for slick, lube free operation. These magazines have been specially engineered to fit Mark II™ Mark III™ and Mark IV™ pistols Universally. (In addition, the loading button can easily be reversed to fit earlier Mark I™ and Standard Auto models.)
• These magazines fit Ruger Mark II, III, and IV Pistols directly.• These mags can be made to fit Ruger Mark I and Standard Pistols by reversing the loading button to the other side. • These mags DO NOT fit any 22/45 pistols.