Ruger Mark II/III/IV Bumper Magazine TWO PACK- A Universal Fit Bumper magazine... Meaning that it fits all three Ruger Mk II, III, and IV pistols (does not fit the 22/45). No more getting them mixed up. Fitted with a solid billet aluminum "Bumper" magazine base pad, these magazines have feeling of quality and mass. They are specially designed for reliable feed as well as universal fit. - The "Bumper" name comes from speed shooting competitors who "Bump" a freshly inserted magazine against their palm to be sure it is seated fully. Magazine Base Pads are common in action pistol shooting because they give more reliable seating of magazines under speed loading situations. - Two Pack Includes Free Loader - You get 2 magazines PLUS a Free loading tool AND... You Save a Bunch of Money!
These Magazines Fit Ruger Mark II, Mark III, and Mark IV Pistols.They NO NOT fit Ruger Mark I nor any 22/45 Pistols