Ruger RXM, Striker Fired, Semi-automatic, Polymer Frame Pistol, Full Size, 9MM, 4.5 Barrel, Nitride Finish, Black Slide, Magpul EHG Gray Frame, Optics Ready, Front Night Sight, 17 Rounds, 2 Magpul PMAG 17 GL9 Magazines 19443 The RXM Pistol is the result of a tremendous collaboration between Ruger and Magpul. This American-made handgun stands out for its upgraded features, exceptional ergonomics, and an affordable price that allows for almost endless customization.