Compatible with all compact (Officer’s Model) 1911 handguns, the CMC® Products Power Mag 1911 Compact .45 ACP 8-Round Black Oxide Magazine features a laser-welded stainless steel body with a black oxide finish for superior corrosion resistance and durability in wet or dirty environments. The all-steel follower and high-tensile steel rocket wire spring ensure smooth, reliable feeding performance, while factory-drilled witness holes allow for quick, visual round counts. Better yet, the removable base plate offers quick disassembly when maintenance and cleaning are required.