If you are looking for a magazine for your 1911 Full Size pistol, choose the magazine manufacturer that is the most trusted in the industry. All Mec-Gar magazines are made in Italy with the most sophisticated technologies and best materials. Since 1965 Mec-Gar has been a world leader in the production of magazines for the largest firearm manufacturers and militaries in the world. Fits Full Size 1911 Government model pistols in 40 S&W.