The Colt® 1911 .45 ACP 8-Round Magazine is a genuine Colt OEM magazine, designed to deliver reliable performance with Colt 1911 pistols chambered in .45 ACP. This single-stack magazine features a laser-welded stainless steel body with a removable polymer floor plate for superior corrosion resistance and dependable field performance. The high-tensile steel spring and stainless steel follower offer exceptionally smooth operation, while numbered witness holes allow for quick, visual round counts.