Featuring dual-wall feed rails, the CMC® Products RPM Full-Size 1911 .45 ACP 8-Round Black Oxide Magazine is a performance-enhanced centerfire pistol magazine, designed to deliver ultra-smooth feeding performance in virtually any environment. The all-steel follower and steel rocket wire spring eliminate binding for enhanced reliability, while laser-welded stainless steel construction delivers exceptional corrosion resistance and long-lasting durability in less-than-desirable environments. Numbered witness holes allow for quick, visual round counts, and the removable floor plate offers quick disassembly for cleaning and maintenance. If that's not enough, this magazine is 100% American-made for superior quality and lasting service you can truly depend on. Order now!