The CMC Products M-RPM-45FS10 Railed Power Mag stands as the pinnacle of 1911 magazine innovation, combining unmatched reliability with exceptional performance. Engineered to endure, the RPM magazine eliminates feed failures, ensuring your firearm functions flawlessly in any environment. The cutting-edge dual-wall feed rails enhance structural integrity, setting a new standard for 1911 magazines. Laser Welded Tube Smooth Finish for Easy Insertion / Removal High Tensile Rocket Wire Spring Elevate your shooting experience with the ultimate in 1911 magazine technology.