CMC Products Railed Power Mags, or RPM, is a 1911 magazine featuring dual wall feed lips making it the strongest CMC mag ever. No more jams due to thin, warped and bent 1911 feed lips, the RPM mags feature dual wall feed rails at least 2X the strength of standard feed lips. Built with a heavy duty corrosion resistant stainless steel body, the RPM also has an alloy frame safe follower, and numbered witness holes for a visual round count. Fits 1911 Government full size handguns 8 Round capacity 18 Coils of High Tensile Rocket Wire Spring Removable base pad for easy cleaning The RPM design is the result of a relentless pursuit of excellence, maxi Mfg: Chip Mccormick Custom