The Wilson Combat® .45 ACP Full-Size Government 7-Round Magazine is made of .027" aircraft-grade, heat-treated stainless steel for maximum durability and service life. The magazine is designed to fit the Wilson 1911 .45 ACP (Automatic Colt Pistol) and features a 7-round capacity. Wilson Combat .45 ACP Full-Size Government 7-Round Magazine - Shooting Supplies And Accessories at Academy Sports