Specifically designed for use with short, round-nose and wadcutter bullet designs, the Check-Mate 1911 .45 ACP 8-Round Magazine features a laser-welded steel body and welded base plate, designed to deliver exceptional durability and superior corrosion resistance. The proprietary Check-Mate steel follower and the high-tensile steel spring offer smooth, reliable operation, while clear-cut witness holes allow for quick visual round counts at a glance. Plus, the enlarged wadcutter feed lips deliver exceptionally smooth feeding performance with short round-nose and wadcutter bullet designs. Manufacturer’s lifetime warranty. Made in USA.