The CMC® Products Power Mag+ 1911 .45 ACP 8-Round Stainless Steel Magazine is the ultimate 1911 magazine, designed to deliver superior durability and reliable performance in the field. This magazine features a laser-welded stainless steel tube for unmatched corrosion resistance and durability, while the all-steel follower and high-tensile rocket power steel spring offer smooth, reliable feeding performance. Plus, numbered witness windows allow for quick, visual round counts for added reliability while on the go.